public void Calculate(Numbers request)
{
if(request.calculationWanted == CalculationType.Substract)
{
Debug.Log("Substracting: " + request.number1 + " - " + request.number2 + " = " + (request.number1 - request.number2).ToString());
}
else if(nextInChain != null)
nextInChain.Calculate(request);
else
Debug.Log ("Handling of request failed: " + request.calculationWanted);
}