Alright, let's work through 99712996 times 29663997 step by step
99712996 × 29663997 = 29663997 × (99712996)
+ 29663997 × 6 producing 177983982
+ 29663997 × 90 giving us 2669759730
+ 29663997 × 900 which equals 26697597300
+ 29663997 × 2000 giving us 59327994000
+ 29663997 × 10000 what gives us 296639970000
+ 29663997 × 700000 that is equal 20764797900000
+ 29663997 × 9000000 that is equal 266975973000000
+ 29663997 × 90000000 resulting in 2669759730000000

= 2957886014205012
