We're going to solve 8586 multiplied by 8405
8586 × 8405 = 8405 × (8586)
+ 8405 × 6 giving us 50430
+ 8405 × 80 producing 672400
+ 8405 × 500 that results in 4202500
+ 8405 × 8000 producing 67240000

= 72165330
