Alright, let's work through 80568347 times 75919303 step by step
80568347 × 75919303 = 75919303 × (80568347)
+ 75919303 × 7 that results in 531435121
+ 75919303 × 40 that results in 3036772120
+ 75919303 × 300 that results in 22775790900
+ 75919303 × 8000 giving us 607354424000
+ 75919303 × 60000 what gives us 4555158180000
+ 75919303 × 500000 that results in 37959651500000
+ 75919303 × 0000000 which equals 0
+ 75919303 × 80000000 that results in 6073544240000000

= 6116692748102141
