Alright, let's work through 4024 times 4339 step by step
4024 × 4339 = 4339 × (4024)
+ 4339 × 4 yielding 17356
+ 4339 × 20 that is equal 86780
+ 4339 × 000 that is equal 0
+ 4339 × 4000 giving us 17356000

= 17460136
