def QArWithoutVAT(node, params, result: Result): result.operator = "without_vat"
def QArPercentOperator(node, params, result: Result): result.operator = "percent"
def QArFractionOperator(node, params, result: Result): result.operator = "fraction"
def QArSquareRootOperator(node, params, result: Result): result.operator = "sqrt"
def QArPowOperator(node, params, result: Result): result.operator = "pow"
def QArMultiplicationOperator(node, params, result: Result): """ 'Hvað er 17 sinnum 34?' """ result.operator = "multiply"
def QArDivisionOperator(node, params, result: Result): result.operator = "divide"
def QArMinusOperator(node, params, result: Result): result.operator = "minus"
def QArSumOperator(node, params, result: Result): result.operator = "plus"
def QArMultOperator(node, params, result: Result): """ 'tvisvar_sinnum', 'þrisvar_sinnum', 'fjórum_sinnum' """ add_num(result._nominative, result) result.operator = "multiply"