No problem, we've got 89322669 and 84395600 to multiply
89322669 × 84395600 = 84395600 × (89322669)
+ 84395600 × 9 which equals 759560400
+ 84395600 × 60 producing 5063736000
+ 84395600 × 600 that results in 50637360000
+ 84395600 × 2000 yielding 168791200000
+ 84395600 × 20000 which equals 1687912000000
+ 84395600 × 300000 what gives us 25318680000000
+ 84395600 × 9000000 that results in 759560400000000
+ 84395600 × 80000000 yielding 6751648000000000

= 7538440243856400
