We're going to solve 9999 multiplied by 7021
9999 × 7021 = 7021 × (9999)
+ 7021 × 9 which equals 63189
+ 7021 × 90 resulting in 631890
+ 7021 × 900 resulting in 6318900
+ 7021 × 9000 that is equal 63189000

= 70202979
