No problem, we've got 3512 and 3840 to multiply
3512 × 3840 = 3840 × (3512)
+ 3840 × 2 that results in 7680
+ 3840 × 10 that is equal 38400
+ 3840 × 500 that is equal 1920000
+ 3840 × 3000 that is equal 11520000

= 13486080
