We're going to solve 3994 multiplied by 6561
3994 × 6561 = 6561 × (3994)
+ 6561 × 4 producing 26244
+ 6561 × 90 yielding 590490
+ 6561 × 900 yielding 5904900
+ 6561 × 3000 resulting in 19683000

= 26204634
