Alright, let's work through 2107 times 3407 step by step
2107 × 3407 = 3407 × (2107)
+ 3407 × 7 producing 23849
+ 3407 × 00 that is equal 0
+ 3407 × 100 that is equal 340700
+ 3407 × 2000 producing 6814000

= 7178549
