fix(sprint-2): add return statement to multiply function

Author: Tarawally

Sprint-2/2-mandatory-debug/0.js

@@ -1,6 +1,8 @@
 // Predict and explain first...
 
 // =============> write your prediction here
+// Output: "320" then "The result of multiplying 10 and 32 is undefined"
+// Function logs but doesn't return, so template literal receives undefined
 
 function multiply(a, b) {
   console.log(a * b);
@@ -9,6 +11,11 @@ function multiply(a, b) {
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
 // =============> write your explanation here
+// Bug: console.log() prints but doesn't return a value - functions without return give undefined
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/return
 
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+function multiply(a, b) {
+  return a * b;
+}