Let's get this math done. We have 863 and we're going to multiply it by 5. This is the same as taking 863 and adding it to itself 5 times.
Step 1: 0 + 863 = 863
Step 2: 863 + 863 = 1726
Step 3: 1726 + 863 = 2589
Step 4: 2589 + 863 = 3452
Step 5: 3452 + 863 = 4315

So, 863*5 = 4315