Langkawi is a duty-free island and prices here are much lower than European prices.
1 Euro is app. 5 RM (Ringgit Malaysia). For example: Breakfast for 4 persons, RM 40 Dinner for 4 persons, RM 80 Car rental from RM 100 (app. 20 Euro) per day Scooter rental, RM 45 (app. 9 Euro) per day Petrol, RM 2.50 (app. 50 Eurocent) per litre Beer, RM 5 RM (app. 1 euro) per glass in cafés / restaurants Beer, RM 2 RM (app. 40 Eurocent) per can in the shops Cigarettes, RM 64 (app. 13 Euro) per carton, e.g. Marlboro's