Alright, let's work through 8891 times 6409 step by step
8891 × 6409 = 6409 × (8891)
+ 6409 × 1 that results in 6409
+ 6409 × 90 which equals 576810
+ 6409 × 800 giving us 5127200
+ 6409 × 8000 yielding 51272000

= 56982419
