Alright, let's work through 8394 times 315 step by step
8394 × 315 = 315 × (8394)
+ 315 × 4 that results in 1260
+ 315 × 90 that results in 28350
+ 315 × 300 yielding 94500
+ 315 × 8000 giving us 2520000

= 2644110
