Alright, let's work through 4431 times 6357 step by step
4431 × 6357 = 6357 × (4431)
+ 6357 × 1 giving us 6357
+ 6357 × 30 that results in 190710
+ 6357 × 400 yielding 2542800
+ 6357 × 4000 that equals 25428000

= 28167867
