Alright, let's work through 80349953 times 29863254 step by step
80349953 × 29863254 = 29863254 × (80349953)
+ 29863254 × 3 resulting in 89589762
+ 29863254 × 50 yielding 1493162700
+ 29863254 × 900 resulting in 26876928600
+ 29863254 × 9000 giving us 268769286000
+ 29863254 × 40000 resulting in 1194530160000
+ 29863254 × 300000 producing 8958976200000
+ 29863254 × 0000000 producing 0
+ 29863254 × 80000000 which equals 2389060320000000

= 2399511055327062
