Without delay, let's solve this. We've got 351 and we will be multiplying it by 4, that is, adding 351 to itself 4 times.
Step 1: 0 + 351 = 351
Step 2: 351 + 351 = 702
Step 3: 702 + 351 = 1053
Step 4: 1053 + 351 = 1404

So, 351*4 = 1404