Alright, let's work through 99243290 times 26597727 step by step
99243290 × 26597727 = 26597727 × (99243290)
+ 26597727 × 0 resulting in 0
+ 26597727 × 90 giving us 2393795430
+ 26597727 × 200 giving us 5319545400
+ 26597727 × 3000 that results in 79793181000
+ 26597727 × 40000 yielding 1063909080000
+ 26597727 × 200000 giving us 5319545400000
+ 26597727 × 9000000 that equals 239379543000000
+ 26597727 × 90000000 that equals 2393795430000000

= 2639645934001830
