Sure thing! We've got 36 and we're gonna multiply it by 4. That's the same as adding 36 to itself 4 times.
Step 1: 0 + 36 = 36
Step 2: 36 + 36 = 72
Step 3: 72 + 36 = 108
Step 4: 108 + 36 = 144

So, 36*4 = 144