Alright, let's work through 80338940 times 43963219 step by step
80338940 × 43963219 = 43963219 × (80338940)
+ 43963219 × 0 that is equal 0
+ 43963219 × 40 that is equal 1758528760
+ 43963219 × 900 that is equal 39566897100
+ 43963219 × 8000 giving us 351705752000
+ 43963219 × 30000 producing 1318896570000
+ 43963219 × 300000 resulting in 13188965700000
+ 43963219 × 0000000 that equals 0
+ 43963219 × 80000000 resulting in 3517057520000000

= 3531958413447860
