Let's calculate 3649 x 8509
3649 × 8509 = 8509 × (3649)
+ 8509 × 9 that is equal 76581
+ 8509 × 40 resulting in 340360
+ 8509 × 600 that is equal 5105400
+ 8509 × 3000 which equals 25527000

= 31049341
