No problem, we've got 3360 and 6680 to multiply
3360 × 6680 = 6680 × (3360)
+ 6680 × 0 that is equal 0
+ 6680 × 60 giving us 400800
+ 6680 × 300 resulting in 2004000
+ 6680 × 3000 resulting in 20040000

= 22444800
