Let's get this math done. We have 396 and we're going to multiply it by 4. This is the same as taking 396 and adding it to itself 4 times.
Step 1: 0 + 396 = 396
Step 2: 396 + 396 = 792
Step 3: 792 + 396 = 1188
Step 4: 1188 + 396 = 1584

So, 396*4 = 1584