Alright, let's solve this math problem step by step. First, we have the number 757. 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 757 and add it to itself 3 times.
Step 1: 0 + 757 = 757
Step 2: 757 + 757 = 1514
Step 3: 1514 + 757 = 2271

So, 757*3 = 2271