No problem, we've got 6810 and 3006 to multiply
6810 × 3006 = 3006 × (6810)
+ 3006 × 0 what gives us 0
+ 3006 × 10 resulting in 30060
+ 3006 × 800 that equals 2404800
+ 3006 × 6000 what gives us 18036000

= 20470860
