OK, let's crack this. We're given 424 and our task is to multiply it by 5. Essentially, we'll be adding 424 to itself 5 times.
Step 1: 0 + 424 = 424
Step 2: 424 + 424 = 848
Step 3: 848 + 424 = 1272
Step 4: 1272 + 424 = 1696
Step 5: 1696 + 424 = 2120

So, 424*5 = 2120