No problem, we've got 6655 and 9986 to multiply
6655 × 9986 = 9986 × (6655)
+ 9986 × 5 yielding 49930
+ 9986 × 50 what gives us 499300
+ 9986 × 600 that equals 5991600
+ 9986 × 6000 that is equal 59916000

= 66456830
