Let's get this math done. We have 551 and we're going to multiply it by 5. This is the same as taking 551 and adding it to itself 5 times.
Step 1: 0 + 551 = 551
Step 2: 551 + 551 = 1102
Step 3: 1102 + 551 = 1653
Step 4: 1653 + 551 = 2204
Step 5: 2204 + 551 = 2755

So, 551*5 = 2755