Alright, let's work through 83444773 times 80959699 step by step
83444773 × 80959699 = 80959699 × (83444773)
+ 80959699 × 3 which equals 242879097
+ 80959699 × 70 that is equal 5667178930
+ 80959699 × 700 what gives us 56671789300
+ 80959699 × 4000 resulting in 323838796000
+ 80959699 × 40000 resulting in 3238387960000
+ 80959699 × 400000 producing 32383879600000
+ 80959699 × 3000000 producing 242879097000000
+ 80959699 × 80000000 what gives us 6476775920000000

= 6755663705203327
