No problem, we've got 3117 and 6648 to multiply
3117 × 6648 = 6648 × (3117)
+ 6648 × 7 that results in 46536
+ 6648 × 10 that is equal 66480
+ 6648 × 100 that results in 664800
+ 6648 × 3000 that equals 19944000

= 20721816
