No problem, we've got 3640 and 1797 to multiply
3640 × 1797 = 1797 × (3640)
+ 1797 × 0 that results in 0
+ 1797 × 40 resulting in 71880
+ 1797 × 600 that is equal 1078200
+ 1797 × 3000 which equals 5391000

= 6541080
