No problem, we've got 4287 and 2583 to multiply
4287 × 2583 = 2583 × (4287)
+ 2583 × 7 what gives us 18081
+ 2583 × 80 that is equal 206640
+ 2583 × 200 which equals 516600
+ 2583 × 4000 that is equal 10332000

= 11073321
