new Thread(new Runnable(){
@Override
public void run() {
String calModel2 = getRateCalculate(carOutTime, carinTime, selectedParking.getBerthCode(),selectedParking.getCarNumber());
JsonParser jp = new JsonParser();
//将json字符串转化成json对象
JsonObject jo = jp.parse(calModel2).getAsJsonObject();
//获取Result对应的值
double CalculateMoney=StringUilt.toDouble(jo.get("Result").getAsJsonObject().get("CalculateMoney").getAsString()) ;
}
}).start();
CalculateMoney这个返回值我应该怎么能在外面使用