No problem, we've got 6920 and 3140 to multiply
6920 × 3140 = 3140 × (6920)
+ 3140 × 0 producing 0
+ 3140 × 20 that results in 62800
+ 3140 × 900 yielding 2826000
+ 3140 × 6000 which equals 18840000

= 21728800
