Let's get this math done. We have 785 and we're going to multiply it by 5. This is the same as taking 785 and adding it to itself 5 times.
Step 1: 0 + 785 = 785
Step 2: 785 + 785 = 1570
Step 3: 1570 + 785 = 2355
Step 4: 2355 + 785 = 3140
Step 5: 3140 + 785 = 3925

So, 785*5 = 3925