Alright, let's work through 2602 times 7509 step by step
2602 × 7509 = 7509 × (2602)
+ 7509 × 2 what gives us 15018
+ 7509 × 00 what gives us 0
+ 7509 × 600 what gives us 4505400
+ 7509 × 2000 resulting in 15018000

= 19538418
