No problem, we've got 6587 and 3583 to multiply
6587 × 3583 = 3583 × (6587)
+ 3583 × 7 giving us 25081
+ 3583 × 80 that is equal 286640
+ 3583 × 500 what gives us 1791500
+ 3583 × 6000 that results in 21498000

= 23601221
