Alright, let's work through 80586994 times 73031295 step by step
80586994 × 73031295 = 73031295 × (80586994)
+ 73031295 × 4 producing 292125180
+ 73031295 × 90 giving us 6572816550
+ 73031295 × 900 which equals 65728165500
+ 73031295 × 6000 resulting in 438187770000
+ 73031295 × 80000 which equals 5842503600000
+ 73031295 × 500000 that equals 36515647500000
+ 73031295 × 0000000 which equals 0
+ 73031295 × 80000000 yielding 5842503600000000

= 5885372531977230
