If I want to go to Tung Chung/citygate outlet frm causeway bay, first I have to take the MTR to HK station, and change to Tung Chung line to Citygate Outlet, right ?? can I know how much is the charges for the MTR ? I am travelling with my son 7 yrs old. At the same time I also can visit the Ngong Ping 360 by taking the cable car, right ?? btw, I am stay in The Ragal Hotel in causeway Bay.