Alright, let's work through 8615 times 5321 step by step
8615 × 5321 = 5321 × (8615)
+ 5321 × 5 that equals 26605
+ 5321 × 10 resulting in 53210
+ 5321 × 600 giving us 3192600
+ 5321 × 8000 producing 42568000

= 45840415
