public static void Main()
var priceWithExchange = price * exchangeRate;
var newPrice = Convert.ToDecimal(price) * Convert.ToDecimal(exchangeRate);
Console.WriteLine(string.Format("{0}", (priceWithExchange).ToString("N")));
double dblAmount = Convert.ToDouble(newPrice);
dblAmount = Math.Round(dblAmount, 2);
Console.WriteLine(string.Format("{0}", dblAmount.ToString("N")));
var currencyCode = "AUS";
Console.WriteLine(string.Format("{0} {1}", dblAmount.ToString("N"), currencyCode));