Let's get this math done. We have 558 and we're going to multiply it by 4. This is the same as taking 558 and adding it to itself 4 times.
Step 1: 0 + 558 = 558
Step 2: 558 + 558 = 1116
Step 3: 1116 + 558 = 1674
Step 4: 1674 + 558 = 2232

So, 558*4 = 2232