Alright, let's work through 2605 times 2495 step by step
2605 × 2495 = 2495 × (2605)
+ 2495 × 5 which equals 12475
+ 2495 × 00 resulting in 0
+ 2495 × 600 what gives us 1497000
+ 2495 × 2000 resulting in 4990000

= 6499475
