We're going to solve 9981 multiplied by 8438
9981 × 8438 = 8438 × (9981)
+ 8438 × 1 that is equal 8438
+ 8438 × 80 that results in 675040
+ 8438 × 900 what gives us 7594200
+ 8438 × 9000 yielding 75942000

= 84219678
