Add some lines of code to calculate the area of a rectangle

Author: Iswanna

prep/example.js

@@ -0,0 +1,13 @@
+// Write a function that will calculate the area of a rectangle
+//given its width and height
+
+let width = 3;
+let height = 4;
+
+function calculateArea(width , height) {
+    const area = width * height;
+    return area;
+}
+
+const result = calculateArea(3,4+8);
+console.log(result);