Alright, let's solve this math problem step by step. First, we have the number 578. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 3. So, we're going to take the number 578 and add it to itself 3 times.
Step 1: 0 + 578 = 578
Step 2: 578 + 578 = 1156
Step 3: 1156 + 578 = 1734

So, 578*3 = 1734