Without delay, let's solve this. We've got 509 and we will be multiplying it by 3, that is, adding 509 to itself 3 times.
Step 1: 0 + 509 = 509
Step 2: 509 + 509 = 1018
Step 3: 1018 + 509 = 1527

So, 509*3 = 1527