Alright, let's work through 4340 times 5751 step by step
4340 × 5751 = 5751 × (4340)
+ 5751 × 0 resulting in 0
+ 5751 × 40 yielding 230040
+ 5751 × 300 yielding 1725300
+ 5751 × 4000 that results in 23004000

= 24959340
