Alright, let's work through 4039 times 4303 step by step
4039 × 4303 = 4303 × (4039)
+ 4303 × 9 that is equal 38727
+ 4303 × 30 producing 129090
+ 4303 × 000 yielding 0
+ 4303 × 4000 that results in 17212000

= 17379817
