Alright, let's work through 4249 times 4315 step by step
4249 × 4315 = 4315 × (4249)
+ 4315 × 9 yielding 38835
+ 4315 × 40 yielding 172600
+ 4315 × 200 resulting in 863000
+ 4315 × 4000 that is equal 17260000

= 18334435
