At Chengdu Airport, there is Bank of China. You can change money.But the business hours of Bank of China are 0900-1900.
There are many taxis at Chengdu Airport in the evening.Green.from airport to city center ,60yuan.
Around Chengdu, there are four panda bases with different numbers of pandas.Chengdu Panda Base is very close, taxi from the city center,to chengdu panda base,about 35yuan.
But if you want to be a panda volunteer / hold a panda,take a picture of a panda, it's expensive.