No problem, we've got 6635 and 3366 to multiply
6635 × 3366 = 3366 × (6635)
+ 3366 × 5 what gives us 16830
+ 3366 × 30 what gives us 100980
+ 3366 × 600 which equals 2019600
+ 3366 × 6000 yielding 20196000

= 22333410
