Alright, let's work through 8119 times 1243 step by step
8119 × 1243 = 1243 × (8119)
+ 1243 × 9 which equals 11187
+ 1243 × 10 what gives us 12430
+ 1243 × 100 yielding 124300
+ 1243 × 8000 yielding 9944000

= 10091917
