Alright, let's work through 99743675 times 82421269 step by step
99743675 × 82421269 = 82421269 × (99743675)
+ 82421269 × 5 giving us 412106345
+ 82421269 × 70 yielding 5769488830
+ 82421269 × 600 which equals 49452761400
+ 82421269 × 3000 which equals 247263807000
+ 82421269 × 40000 producing 3296850760000
+ 82421269 × 700000 producing 57694888300000
+ 82421269 × 9000000 giving us 741791421000000
+ 82421269 × 90000000 that equals 7417914210000000

= 8221000268223575
