We're going to solve 6383 multiplied by 2586
6383 × 2586 = 2586 × (6383)
+ 2586 × 3 what gives us 7758
+ 2586 × 80 producing 206880
+ 2586 × 300 giving us 775800
+ 2586 × 6000 yielding 15516000

= 16506438
