Alright, let's work through 8405 times 3317 step by step
8405 × 3317 = 3317 × (8405)
+ 3317 × 5 yielding 16585
+ 3317 × 00 giving us 0
+ 3317 × 400 that results in 1326800
+ 3317 × 8000 producing 26536000

= 27879385
