No problem, we've got 6649 and 9966 to multiply
6649 × 9966 = 9966 × (6649)
+ 9966 × 9 that equals 89694
+ 9966 × 40 that is equal 398640
+ 9966 × 600 yielding 5979600
+ 9966 × 6000 that equals 59796000

= 66263934
