OK, let's crack this. We're given 479 and our task is to multiply it by 4. Essentially, we'll be adding 479 to itself 4 times.
Step 1: 0 + 479 = 479
Step 2: 479 + 479 = 958
Step 3: 958 + 479 = 1437
Step 4: 1437 + 479 = 1916

So, 479*4 = 1916