Without delay, let's solve this. We've got 578 and we will be multiplying it by 3, that is, adding 578 to itself 3 times.
Step 1: 0 + 578 = 578
Step 2: 578 + 578 = 1156
Step 3: 1156 + 578 = 1734

So, 578*3 = 1734