No problem, we've got 66485744 and 71004645 to multiply
66485744 × 71004645 = 71004645 × (66485744)
+ 71004645 × 4 which equals 284018580
+ 71004645 × 40 that results in 2840185800
+ 71004645 × 700 yielding 49703251500
+ 71004645 × 5000 which equals 355023225000
+ 71004645 × 80000 giving us 5680371600000
+ 71004645 × 400000 what gives us 28401858000000
+ 71004645 × 6000000 that equals 426027870000000
+ 71004645 × 60000000 yielding 4260278700000000

= 4720796650280880
