No problem, we've got 6538 and 585 to multiply
6538 × 585 = 585 × (6538)
+ 585 × 8 what gives us 4680
+ 585 × 30 which equals 17550
+ 585 × 500 resulting in 292500
+ 585 × 6000 that is equal 3510000

= 3824730
