Alright, let's solve this math problem step by step. First, we have the number 863. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 5. So, we're going to take the number 863 and add 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