Alright, let's work through 2529 times 9871 step by step
2529 × 9871 = 9871 × (2529)
+ 9871 × 9 resulting in 88839
+ 9871 × 20 that equals 197420
+ 9871 × 500 yielding 4935500
+ 9871 × 2000 which equals 19742000

= 24963759
