Let's roll up our sleeves and solve this. We have 649 and we're going to multiply it by 5, essentially adding 649 to itself 5 times.
Step 1: 0 + 649 = 649
Step 2: 649 + 649 = 1298
Step 3: 1298 + 649 = 1947
Step 4: 1947 + 649 = 2596
Step 5: 2596 + 649 = 3245

So, 649*5 = 3245