Let's get this math done. We have 574 and we're going to multiply it by 3. This is the same as taking 574 and adding it to itself 3 times.
Step 1: 0 + 574 = 574
Step 2: 574 + 574 = 1148
Step 3: 1148 + 574 = 1722

So, 574*3 = 1722