There is no problem with a taxi in Malaysia! You can easily contact the staff of the establishment, where you are, without any problems, whether it be a hotel, a store, etc. and they will call a taxi for you. Taxis in Malaysia work on their personal business cards, you can always take them when landing, and then call the phone and call at any place you want.

The second question is not clear, - where do you go from? Can be more precise? Then it will be possible to name the approximate fare for a taxi.