No problem, we've got 3599 and 5809 to multiply
3599 × 5809 = 5809 × (3599)
+ 5809 × 9 yielding 52281
+ 5809 × 90 that results in 522810
+ 5809 × 500 giving us 2904500
+ 5809 × 3000 giving us 17427000

= 20906591
