Alright, let's solve this math problem step by step. First, we have the number 748. 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 748 and add it to itself 3 times.
Step 1: 0 + 748 = 748
Step 2: 748 + 748 = 1496
Step 3: 1496 + 748 = 2244

So, 748*3 = 2244