Alright, let's work through 2509 times 3081 step by step
2509 × 3081 = 3081 × (2509)
+ 3081 × 9 what gives us 27729
+ 3081 × 00 giving us 0
+ 3081 × 500 producing 1540500
+ 3081 × 2000 that results in 6162000

= 7730229
