Without delay, let's solve this. We've got 141 and we will be multiplying it by 4, that is, adding 141 to itself 4 times.
Step 1: 0 + 141 = 141
Step 2: 141 + 141 = 282
Step 3: 282 + 141 = 423
Step 4: 423 + 141 = 564

So, 141*4 = 564