No problem, we've got 66864123 and 60168689 to multiply
66864123 × 60168689 = 60168689 × (66864123)
+ 60168689 × 3 that results in 180506067
+ 60168689 × 20 that is equal 1203373780
+ 60168689 × 100 giving us 6016868900
+ 60168689 × 4000 what gives us 240674756000
+ 60168689 × 60000 yielding 3610121340000
+ 60168689 × 800000 giving us 48134951200000
+ 60168689 × 6000000 producing 361012134000000
+ 60168689 × 60000000 that is equal 3610121340000000

= 4023126622044747
