Alright, let's work through 2859 times 4283 step by step
2859 × 4283 = 4283 × (2859)
+ 4283 × 9 yielding 38547
+ 4283 × 50 that equals 214150
+ 4283 × 800 yielding 3426400
+ 4283 × 2000 giving us 8566000

= 12245097
