Let's calculate 3665 x 6807
3665 × 6807 = 6807 × (3665)
+ 6807 × 5 which equals 34035
+ 6807 × 60 which equals 408420
+ 6807 × 600 that is equal 4084200
+ 6807 × 3000 resulting in 20421000

= 24947655
