We're going to solve 6561 multiplied by 3003
6561 × 3003 = 3003 × (6561)
+ 3003 × 1 that results in 3003
+ 3003 × 60 producing 180180
+ 3003 × 500 which equals 1501500
+ 3003 × 6000 giving us 18018000

= 19702683
