Alright, let's work through 89431449 times 40571145 step by step
89431449 × 40571145 = 40571145 × (89431449)
+ 40571145 × 9 that results in 365140305
+ 40571145 × 40 yielding 1622845800
+ 40571145 × 400 that is equal 16228458000
+ 40571145 × 1000 that results in 40571145000
+ 40571145 × 30000 which equals 1217134350000
+ 40571145 × 400000 that equals 16228458000000
+ 40571145 × 9000000 resulting in 365140305000000
+ 40571145 × 80000000 giving us 3245691600000000

= 3628336284939105
