We're going to solve 9942 multiplied by 8991
9942 × 8991 = 8991 × (9942)
+ 8991 × 2 yielding 17982
+ 8991 × 40 what gives us 359640
+ 8991 × 900 what gives us 8091900
+ 8991 × 9000 that is equal 80919000

= 89388522
