Change multiply function to return result instead of log

Author: cywong-dev

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

@@ -3,7 +3,7 @@
 // =============> write your prediction here
 
 function multiply(a, b) {
-  console.log(a * b);
+  return a * b;
 }
 
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);