OK, let's work through this together. We're starting with 549 and we're going to multiply it by 5, which means we add 549 to itself 5 times.
Step 1: 0 + 549 = 549
Step 2: 549 + 549 = 1098
Step 3: 1098 + 549 = 1647
Step 4: 1647 + 549 = 2196
Step 5: 2196 + 549 = 2745

So, 549*5 = 2745