No problem, we've got 3342 and 6355 to multiply
3342 × 6355 = 6355 × (3342)
+ 6355 × 2 resulting in 12710
+ 6355 × 40 what gives us 254200
+ 6355 × 300 what gives us 1906500
+ 6355 × 3000 resulting in 19065000

= 21238410
