Alright, let's work through 85648314 times 45579966 step by step
85648314 × 45579966 = 45579966 × (85648314)
+ 45579966 × 4 what gives us 182319864
+ 45579966 × 10 giving us 455799660
+ 45579966 × 300 giving us 13673989800
+ 45579966 × 8000 that is equal 364639728000
+ 45579966 × 40000 which equals 1823198640000
+ 45579966 × 600000 what gives us 27347979600000
+ 45579966 × 5000000 producing 227899830000000
+ 45579966 × 80000000 which equals 3646397280000000

= 3903847240077324
