We're going to solve 9891 multiplied by 6395
9891 × 6395 = 6395 × (9891)
+ 6395 × 1 giving us 6395
+ 6395 × 90 which equals 575550
+ 6395 × 800 resulting in 5116000
+ 6395 × 9000 that equals 57555000

= 63252945
