Without delay, let's solve this. We've got 747 and we will be multiplying it by 4, that is, adding 747 to itself 4 times.
Step 1: 0 + 747 = 747
Step 2: 747 + 747 = 1494
Step 3: 1494 + 747 = 2241
Step 4: 2241 + 747 = 2988

So, 747*4 = 2988