Sure thing, let's get straight to it. We start with 518 and we're going to multiply it by 5, which means adding 518 to itself 5 times.
Step 1: 0 + 518 = 518
Step 2: 518 + 518 = 1036
Step 3: 1036 + 518 = 1554
Step 4: 1554 + 518 = 2072
Step 5: 2072 + 518 = 2590

So, 518*5 = 2590