We're going to solve 9983 multiplied by 7170
9983 × 7170 = 7170 × (9983)
+ 7170 × 3 resulting in 21510
+ 7170 × 80 that is equal 573600
+ 7170 × 900 that is equal 6453000
+ 7170 × 9000 yielding 64530000

= 71578110
