No problem, we've got 2391 and 3729 to multiply
2391 × 3729 = 3729 × (2391)
+ 3729 × 1 that results in 3729
+ 3729 × 90 that is equal 335610
+ 3729 × 300 giving us 1118700
+ 3729 × 2000 that results in 7458000

= 8916039
