Alright, let's work through 8641 times 4681 step by step
8641 × 4681 = 4681 × (8641)
+ 4681 × 1 that is equal 4681
+ 4681 × 40 which equals 187240
+ 4681 × 600 which equals 2808600
+ 4681 × 8000 resulting in 37448000

= 40448521
