Alright, let's work through 3407 times 8687 step by step
3407 × 8687 = 8687 × (3407)
+ 8687 × 7 which equals 60809
+ 8687 × 00 producing 0
+ 8687 × 400 that is equal 3474800
+ 8687 × 3000 producing 26061000

= 29596609
