Without delay, let's solve this. We've got 313 and we will be multiplying it by 4, that is, adding 313 to itself 4 times.
Step 1: 0 + 313 = 313
Step 2: 313 + 313 = 626
Step 3: 626 + 313 = 939
Step 4: 939 + 313 = 1252

So, 313*4 = 1252