Currency Converter if statements need optimization

// This is a currency converter that needs optimization.

namespace Currency_converter
{
class Program
{
static void Main(string[] args)
{
double result = 0;
var money = double.Parse(Console.ReadLine());
var inputCurrency = Console.ReadLine();
var outputCurrency =(Console.ReadLine());

if (inputCurrency == "BGN")
{
if (outputCurrency == "EUR")
{
result = money / 1.95583;
}
else if (outputCurrency == "USD")
{
result = money / 1.79549;
}
else if (outputCurrency == "GBP")
{
result = money / 2.53405;
}
}

else if (inputCurrency == "USD")
{
if (outputCurrency == "EUR")
{
result = (money * 1.79549) / 1.95583;
}
else if (outputCurrency == "BGN")
{
result = money * 1.79549;
}
else if (outputCurrency == "GBP")
{
result = (money * 1.79549) / 2.53405;
}
}

else if (inputCurrency == "EUR")
{
if (outputCurrency == "USD")
{
result = (money * 1.95583) / 1.79549;
}
else if (outputCurrency == "BGN")
{
result = money * 1.95583;
}
else if (outputCurrency == "GBP")
{
result = (money * 1.95583) / 2.53405;
}
}

else if (inputCurrency == "GBR")
{
if (outputCurrency == "USD")
{
result = (money * 2.53405) / 1.79549;
}
else if (outputCurrency == "BGN")
{
result = money * 2.53405;
}
else if (outputCurrency == "EUR")
{
result = (money * 2.53405) / 1.95583;
}
}

Console.Write($"{result:F2} ");
Console.WriteLine(outputCurrency);
}
}
}