Alright, let's work through 8231038 times 1248405 step by step
8231038 × 1248405 = 1248405 × (8231038)
+ 1248405 × 8 which equals 9987240
+ 1248405 × 30 which equals 37452150
+ 1248405 × 000 giving us 0
+ 1248405 × 1000 resulting in 1248405000
+ 1248405 × 30000 which equals 37452150000
+ 1248405 × 200000 yielding 249681000000
+ 1248405 × 8000000 giving us 9987240000000

= 10275668994390
