Alright, let's work through 2517 times 8707 step by step
2517 × 8707 = 8707 × (2517)
+ 8707 × 7 producing 60949
+ 8707 × 10 that results in 87070
+ 8707 × 500 yielding 4353500
+ 8707 × 2000 resulting in 17414000

= 21915519
