Sure thing, let's get straight to it. We start with 555 and we're going to multiply it by 5, which means adding 555 to itself 5 times.
Step 1: 0 + 555 = 555
Step 2: 555 + 555 = 1110
Step 3: 1110 + 555 = 1665
Step 4: 1665 + 555 = 2220
Step 5: 2220 + 555 = 2775

So, 555*5 = 2775