Alright, let's work through 64905467 times 41120144 step by step
64905467 × 41120144 = 41120144 × (64905467)
+ 41120144 × 7 what gives us 287841008
+ 41120144 × 60 producing 2467208640
+ 41120144 × 400 resulting in 16448057600
+ 41120144 × 5000 giving us 205600720000
+ 41120144 × 00000 what gives us 0
+ 41120144 × 900000 producing 37008129600000
+ 41120144 × 4000000 resulting in 164480576000000
+ 41120144 × 60000000 yielding 2467208640000000

= 2668922149427248
