No problem, we've got 4287 and 1693 to multiply
4287 × 1693 = 1693 × (4287)
+ 1693 × 7 what gives us 11851
+ 1693 × 80 which equals 135440
+ 1693 × 200 that is equal 338600
+ 1693 × 4000 resulting in 6772000

= 7257891
