We're going to solve 9171 multiplied by 8639
9171 × 8639 = 8639 × (9171)
+ 8639 × 1 producing 8639
+ 8639 × 70 what gives us 604730
+ 8639 × 100 yielding 863900
+ 8639 × 9000 resulting in 77751000

= 79228269
