Alright, let's work through 99787835 times 97162403 step by step
99787835 × 97162403 = 97162403 × (99787835)
+ 97162403 × 5 yielding 485812015
+ 97162403 × 30 which equals 2914872090
+ 97162403 × 800 resulting in 77729922400
+ 97162403 × 7000 what gives us 680136821000
+ 97162403 × 80000 yielding 7772992240000
+ 97162403 × 700000 yielding 68013682100000
+ 97162403 × 9000000 resulting in 874461627000000
+ 97162403 × 90000000 giving us 8744616270000000

= 9695625838767505
