Alright, let's work through 8315 times 1815 step by step
8315 × 1815 = 1815 × (8315)
+ 1815 × 5 resulting in 9075
+ 1815 × 10 that results in 18150
+ 1815 × 300 producing 544500
+ 1815 × 8000 which equals 14520000

= 15091725
