Alright, let's work through 8313 times 1393 step by step
8313 × 1393 = 1393 × (8313)
+ 1393 × 3 resulting in 4179
+ 1393 × 10 what gives us 13930
+ 1393 × 300 giving us 417900
+ 1393 × 8000 yielding 11144000

= 11580009
