Alright, let's work through 8641 times 6338 step by step
8641 × 6338 = 6338 × (8641)
+ 6338 × 1 that results in 6338
+ 6338 × 40 that results in 253520
+ 6338 × 600 what gives us 3802800
+ 6338 × 8000 that results in 50704000

= 54766658
