Sure thing, let's get straight to it. We start with 1000 and we're going to multiply it by 5, which means adding 1000 to itself 5 times.
Step 1: 0 + 1000 = 1000
Step 2: 1000 + 1000 = 2000
Step 3: 2000 + 1000 = 3000
Step 4: 3000 + 1000 = 4000
Step 5: 4000 + 1000 = 5000

So, 1000*5 = 5000