No problem, we've got 81796566 and 84024032 to multiply
81796566 × 84024032 = 84024032 × (81796566)
+ 84024032 × 6 which equals 504144192
+ 84024032 × 60 producing 5041441920
+ 84024032 × 500 resulting in 42012016000
+ 84024032 × 6000 resulting in 504144192000
+ 84024032 × 90000 that is equal 7562162880000
+ 84024032 × 700000 yielding 58816822400000
+ 84024032 × 1000000 what gives us 84024032000000
+ 84024032 × 80000000 producing 6721922560000000

= 6872877279074112
