Alright, let's work through 4090 times 7968 step by step
4090 × 7968 = 7968 × (4090)
+ 7968 × 0 yielding 0
+ 7968 × 90 that results in 717120
+ 7968 × 000 resulting in 0
+ 7968 × 4000 resulting in 31872000

= 32589120
