No problem, we've got 3335 and 6990 to multiply
3335 × 6990 = 6990 × (3335)
+ 6990 × 5 what gives us 34950
+ 6990 × 30 that is equal 209700
+ 6990 × 300 producing 2097000
+ 6990 × 3000 producing 20970000

= 23311650
