No problem, we've got 3920 and 6808 to multiply
3920 × 6808 = 6808 × (3920)
+ 6808 × 0 resulting in 0
+ 6808 × 20 which equals 136160
+ 6808 × 900 what gives us 6127200
+ 6808 × 3000 giving us 20424000

= 26687360
