Without delay, let's solve this. We've got 338 and we will be multiplying it by 4, that is, adding 338 to itself 4 times.
Step 1: 0 + 338 = 338
Step 2: 338 + 338 = 676
Step 3: 676 + 338 = 1014
Step 4: 1014 + 338 = 1352

So, 338*4 = 1352