Alright, let's work through 80532128 times 3829894 step by step
80532128 × 3829894 = 3829894 × (80532128)
+ 3829894 × 8 that results in 30639152
+ 3829894 × 20 which equals 76597880
+ 3829894 × 100 which equals 382989400
+ 3829894 × 2000 what gives us 7659788000
+ 3829894 × 30000 that equals 114896820000
+ 3829894 × 500000 that equals 1914947000000
+ 3829894 × 0000000 yielding 0
+ 3829894 × 80000000 producing 306391520000000

= 308429513834432
