Let's get this math done. We have 427 and we're going to multiply it by 5. This is the same as taking 427 and adding it to itself 5 times.
Step 1: 0 + 427 = 427
Step 2: 427 + 427 = 854
Step 3: 854 + 427 = 1281
Step 4: 1281 + 427 = 1708
Step 5: 1708 + 427 = 2135

So, 427*5 = 2135