Alright, let's work through 80463780 times 75996907 step by step
80463780 × 75996907 = 75996907 × (80463780)
+ 75996907 × 0 resulting in 0
+ 75996907 × 80 that is equal 6079752560
+ 75996907 × 700 which equals 53197834900
+ 75996907 × 3000 that results in 227990721000
+ 75996907 × 60000 resulting in 4559814420000
+ 75996907 × 400000 which equals 30398762800000
+ 75996907 × 0000000 producing 0
+ 75996907 × 80000000 giving us 6079752560000000

= 6114998405528460
