Alright, let's work through 8641 times 6628 step by step
8641 × 6628 = 6628 × (8641)
+ 6628 × 1 that equals 6628
+ 6628 × 40 yielding 265120
+ 6628 × 600 that results in 3976800
+ 6628 × 8000 resulting in 53024000

= 57272548
