Alright, let's work through 8628 times 6748 step by step
8628 × 6748 = 6748 × (8628)
+ 6748 × 8 resulting in 53984
+ 6748 × 20 producing 134960
+ 6748 × 600 yielding 4048800
+ 6748 × 8000 producing 53984000

= 58221744
