Alright, let's work through 4815 times 8564 step by step
4815 × 8564 = 8564 × (4815)
+ 8564 × 5 giving us 42820
+ 8564 × 10 giving us 85640
+ 8564 × 800 that equals 6851200
+ 8564 × 4000 giving us 34256000

= 41235660
