Alright, let's work through 2596 times 9865 step by step
2596 × 9865 = 9865 × (2596)
+ 9865 × 6 producing 59190
+ 9865 × 90 producing 887850
+ 9865 × 500 that is equal 4932500
+ 9865 × 2000 that results in 19730000

= 25609540
