Alright, let's work through 89284484 times 45751072 step by step
89284484 × 45751072 = 45751072 × (89284484)
+ 45751072 × 4 yielding 183004288
+ 45751072 × 80 that results in 3660085760
+ 45751072 × 400 resulting in 18300428800
+ 45751072 × 4000 what gives us 183004288000
+ 45751072 × 80000 resulting in 3660085760000
+ 45751072 × 200000 what gives us 9150214400000
+ 45751072 × 9000000 which equals 411759648000000
+ 45751072 × 80000000 which equals 3660085760000000

= 4084860855966848
