Alright, let's work through 8457 times 9357 step by step
8457 × 9357 = 9357 × (8457)
+ 9357 × 7 giving us 65499
+ 9357 × 50 producing 467850
+ 9357 × 400 what gives us 3742800
+ 9357 × 8000 yielding 74856000

= 79132149
