Alright, let's work through 3394 times 8405 step by step
3394 × 8405 = 8405 × (3394)
+ 8405 × 4 giving us 33620
+ 8405 × 90 resulting in 756450
+ 8405 × 300 resulting in 2521500
+ 8405 × 3000 giving us 25215000

= 28526570
