Alright, let's work through 8931 times 2415 step by step
8931 × 2415 = 2415 × (8931)
+ 2415 × 1 yielding 2415
+ 2415 × 30 that equals 72450
+ 2415 × 900 what gives us 2173500
+ 2415 × 8000 resulting in 19320000

= 21568365
