No problem, we've got 2650 and 6810 to multiply
2650 × 6810 = 6810 × (2650)
+ 6810 × 0 resulting in 0
+ 6810 × 50 that equals 340500
+ 6810 × 600 giving us 4086000
+ 6810 × 2000 that results in 13620000

= 18046500
