diff --git a/01_grundlagen/unterricht/tag07/13_volume-cube.html b/01_grundlagen/unterricht/tag07/13_volume-cube.html
new file mode 100644
index 0000000..9cec2d4
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+++ b/01_grundlagen/unterricht/tag07/13_volume-cube.html
@@ -0,0 +1,35 @@
+<!doctype html>
+<html lang="de">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Kartonvolumen berechnen (cube)</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" />
+  </head>
+  <body>
+    <main>
+      <div class="container py-5">
+        <h1>Kartonvolumen berechnen (cube)</h1>
+      </div>
+    </main>
+    <script>
+      'use strict';
+
+      // Konfigurationsvariablen
+      const BASE_COST_PER_UNIT = 0.7;
+      const COST_PER_CC = 0.001;
+
+      const length = 25;
+      const width = 30;
+      const height = 12;
+
+      // cubeVolume = length × width × height
+      const cartonVolume = length * width * height;
+
+      // shippingCost = volume × costPerCC + costPerUnit
+      const shippingCost = cartonVolume * COST_PER_CC + BASE_COST_PER_UNIT;
+
+      console.log(`shipping cost is: $${shippingCost.toFixed(2)}`); // => 9.70
+    </script>
+  </body>
+</html>
diff --git a/01_grundlagen/unterricht/tag07/14_function-volume-cube.html b/01_grundlagen/unterricht/tag07/14_function-volume-cube.html
new file mode 100644
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+++ b/01_grundlagen/unterricht/tag07/14_function-volume-cube.html
@@ -0,0 +1,61 @@
+<!doctype html>
+<html lang="de">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Kartonvolumen berechnen mit Funktion (cube)</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" />
+  </head>
+  <body>
+    <main>
+      <div class="container py-5">
+        <h1>Kartonvolumen berechnen mit Funktion (cube)</h1>
+      </div>
+    </main>
+    <script>
+      'use strict';
+
+      // Konfigurationsvariablen
+      const BASE_COST_PER_UNIT = 0.7;
+      const COST_PER_CC = 0.001;
+
+      const length = 25;
+      const width = 30;
+      const height = 12;
+
+      /**
+       * Funktion zum Berechnen einen Kartonvolumens
+       */
+      const calcCubeVolume = (l, w, h) => {
+        // cubeVolume = length × width × height
+        const volume = l * w * h;
+        return volume;
+      };
+
+      /**
+       * Funktion zum Berechnen einen Kartonvolumens (Kurzschreibweise)
+       */
+      const calcCubeVolumeShort = (l, w, h) => l * w * h;
+
+      /**
+       * Funktion zum Berechnen der Versandkosten
+       */
+      const calcShippingCost = (volume) => {
+        // shippingCost = volume × costPerCC + costPerUnit
+        const cost = volume * COST_PER_CC + BASE_COST_PER_UNIT;
+        return cost;
+      };
+
+      /**
+       * Funktion zum Berechnen der Versandkosten (Kurzschreibweise)
+       */
+      const calcShippingCostShort = (volume) => volume * COST_PER_CC + BASE_COST_PER_UNIT;
+
+      // const volume = calcCubeVolume(25, 30, 12);
+      const volume = calcCubeVolume(length, width, height);
+      // const volumeMiniPackage = calcCubeVolume(10, 5, 5);
+
+      console.log(`shipping cost is: $${calcShippingCost(volume).toFixed(2)}`); // => 9.70
+    </script>
+  </body>
+</html>
