We're going to solve 8579 multiplied by 9983
8579 × 9983 = 9983 × (8579)
+ 9983 × 9 yielding 89847
+ 9983 × 70 that is equal 698810
+ 9983 × 500 what gives us 4991500
+ 9983 × 8000 resulting in 79864000

= 85644157
