Without delay, let's solve this. We've got 311 and we will be multiplying it by 5, that is, adding 311 to itself 5 times.
Step 1: 0 + 311 = 311
Step 2: 311 + 311 = 622
Step 3: 622 + 311 = 933
Step 4: 933 + 311 = 1244
Step 5: 1244 + 311 = 1555

So, 311*5 = 1555