We're going to solve 9921 multiplied by 6666
9921 × 6666 = 6666 × (9921)
+ 6666 × 1 yielding 6666
+ 6666 × 20 that results in 133320
+ 6666 × 900 what gives us 5999400
+ 6666 × 9000 what gives us 59994000

= 66133386
