Alright, let's work through 99759559 times 43344011 step by step
99759559 × 43344011 = 43344011 × (99759559)
+ 43344011 × 9 giving us 390096099
+ 43344011 × 50 what gives us 2167200550
+ 43344011 × 500 resulting in 21672005500
+ 43344011 × 9000 producing 390096099000
+ 43344011 × 50000 what gives us 2167200550000
+ 43344011 × 700000 producing 30340807700000
+ 43344011 × 9000000 which equals 390096099000000
+ 43344011 × 90000000 that results in 3900960990000000

= 4323979422651149
