Let's get this math done. We have 36 and we're going to multiply it by 5. This is the same as taking 36 and adding it to itself 5 times.
Step 1: 0 + 36 = 36
Step 2: 36 + 36 = 72
Step 3: 72 + 36 = 108
Step 4: 108 + 36 = 144
Step 5: 144 + 36 = 180

So, 36*5 = 180