Let's get this math done. We have 425 and we're going to multiply it by 5. This is the same as taking 425 and adding it to itself 5 times.
Step 1: 0 + 425 = 425
Step 2: 425 + 425 = 850
Step 3: 850 + 425 = 1275
Step 4: 1275 + 425 = 1700
Step 5: 1700 + 425 = 2125

So, 425*5 = 2125