Without delay, let's solve this. We've got 1 and we will be multiplying it by 5, that is, adding 1 to itself 5 times.
Step 1: 0 + 1 = 1
Step 2: 1 + 1 = 2
Step 3: 2 + 1 = 3
Step 4: 3 + 1 = 4
Step 5: 4 + 1 = 5

So, 1*5 = 5