Let's get this math done. We have 868 and we're going to multiply it by 5. This is the same as taking 868 and adding it to itself 5 times.
Step 1: 0 + 868 = 868
Step 2: 868 + 868 = 1736
Step 3: 1736 + 868 = 2604
Step 4: 2604 + 868 = 3472
Step 5: 3472 + 868 = 4340

So, 868*5 = 4340