Alright, let's work through 8457 times 4863 step by step
8457 × 4863 = 4863 × (8457)
+ 4863 × 7 giving us 34041
+ 4863 × 50 giving us 243150
+ 4863 × 400 which equals 1945200
+ 4863 × 8000 resulting in 38904000

= 41126391
