OK, let's crack this. We're given 492 and our task is to multiply it by 4. Essentially, we'll be adding 492 to itself 4 times.
Step 1: 0 + 492 = 492
Step 2: 492 + 492 = 984
Step 3: 984 + 492 = 1476
Step 4: 1476 + 492 = 1968

So, 492*4 = 1968