Alright, let's work through 4283 times 4290 step by step
4283 × 4290 = 4290 × (4283)
+ 4290 × 3 producing 12870
+ 4290 × 80 that is equal 343200
+ 4290 × 200 which equals 858000
+ 4290 × 4000 yielding 17160000

= 18374070
