Alright, let's work through 8340 times 9351 step by step
8340 × 9351 = 9351 × (8340)
+ 9351 × 0 resulting in 0
+ 9351 × 40 that results in 374040
+ 9351 × 300 that is equal 2805300
+ 9351 × 8000 yielding 74808000

= 77987340
