Chimelong Paradise costs 170 yuan and Chimelong Water Park costs 180 yuan.

The round trip flight, including transportation to and from the airport, costs approximately 2,000 yuan.

Staying at Chimelong Hotel costs 200 yuan per night.

The meal costs about 200 yuan.

The estimated cost is about 3,000 yuan, mainly depending on whether the discount on air tickets is large and whether the standard of food and accommodation is high.