Alright, let's work through 3815 times 2311 step by step
3815 × 2311 = 2311 × (3815)
+ 2311 × 5 giving us 11555
+ 2311 × 10 producing 23110
+ 2311 × 800 giving us 1848800
+ 2311 × 3000 producing 6933000

= 8816465
