No problem, we've got 6660 and 9935 to multiply
6660 × 9935 = 9935 × (6660)
+ 9935 × 0 yielding 0
+ 9935 × 60 that results in 596100
+ 9935 × 600 which equals 5961000
+ 9935 × 6000 producing 59610000

= 66167100
