We're going to solve 9991 multiplied by 2798
9991 × 2798 = 2798 × (9991)
+ 2798 × 1 which equals 2798
+ 2798 × 90 giving us 251820
+ 2798 × 900 that is equal 2518200
+ 2798 × 9000 that is equal 25182000

= 27954818
