OK, let's crack this. We're given 215 and our task is to multiply it by 5. Essentially, we'll be adding 215 to itself 5 times.
Step 1: 0 + 215 = 215
Step 2: 215 + 215 = 430
Step 3: 430 + 215 = 645
Step 4: 645 + 215 = 860
Step 5: 860 + 215 = 1075

So, 215*5 = 1075