Alright, let's work through 2587 times 4911 step by step
2587 × 4911 = 4911 × (2587)
+ 4911 × 7 which equals 34377
+ 4911 × 80 resulting in 392880
+ 4911 × 500 that equals 2455500
+ 4911 × 2000 resulting in 9822000

= 12704757
