We're going to solve 6591 multiplied by 8139
6591 × 8139 = 8139 × (6591)
+ 8139 × 1 producing 8139
+ 8139 × 90 producing 732510
+ 8139 × 500 yielding 4069500
+ 8139 × 6000 producing 48834000

= 53644149
