We're going to solve 99839981 multiplied by 20345110
99839981 × 20345110 = 20345110 × (99839981)
+ 20345110 × 1 what gives us 20345110
+ 20345110 × 80 what gives us 1627608800
+ 20345110 × 900 that results in 18310599000
+ 20345110 × 9000 resulting in 183105990000
+ 20345110 × 30000 that equals 610353300000
+ 20345110 × 800000 producing 16276088000000
+ 20345110 × 9000000 giving us 183105990000000
+ 20345110 × 90000000 that equals 1831059900000000

= 2031255395842910
