Let's get this math done. We have 33 and we're going to multiply it by 4. This is the same as taking 33 and adding it to itself 4 times.
Step 1: 0 + 33 = 33
Step 2: 33 + 33 = 66
Step 3: 66 + 33 = 99
Step 4: 99 + 33 = 132

So, 33*4 = 132