Let's get this math done. We have 818 and we're going to multiply it by 4. This is the same as taking 818 and adding it to itself 4 times.
Step 1: 0 + 818 = 818
Step 2: 818 + 818 = 1636
Step 3: 1636 + 818 = 2454
Step 4: 2454 + 818 = 3272

So, 818*4 = 3272