We're going to solve 8621 multiplied by 1998
8621 × 1998 = 1998 × (8621)
+ 1998 × 1 what gives us 1998
+ 1998 × 20 that is equal 39960
+ 1998 × 600 what gives us 1198800
+ 1998 × 8000 giving us 15984000

= 17224758
