Let's get this math done. We have 978 and we're going to multiply it by 5. This is the same as taking 978 and adding it to itself 5 times.
Step 1: 0 + 978 = 978
Step 2: 978 + 978 = 1956
Step 3: 1956 + 978 = 2934
Step 4: 2934 + 978 = 3912
Step 5: 3912 + 978 = 4890

So, 978*5 = 4890