OK, let's crack this. We're given 656 and our task is to multiply it by 5. Essentially, we'll be adding 656 to itself 5 times.
Step 1: 0 + 656 = 656
Step 2: 656 + 656 = 1312
Step 3: 1312 + 656 = 1968
Step 4: 1968 + 656 = 2624
Step 5: 2624 + 656 = 3280

So, 656*5 = 3280