class Operation(object):
    @staticmethod
    def getResult(numberA, op, numberB):
        if op == "+":
            return numberA + numberB
        elif op == "-":
            return numberA - numberB
        elif op == "*":
            return numberA * numberB
        else:
            return numberA / numberB
018066b50c689152a24b32c9026365c72603e07e
<mask token>

class Operation(object):
    <mask token>

class Operation(object):

    @staticmethod
    def getResult(numberA, op, numberB):
        if op == '+':
            return numberA + numberB
        elif op == '-':
            return numberA - numberB
        elif op == '*':
            return numberA * numberB
        else:
            return numberA / numberB

class Operation(object):
    @staticmethod
    def getResult(numberA, op, numberB):
        if op == "+":
            return numberA + numberB
        elif op == "-":
            return numberA - numberB
        elif op == "*":
            return numberA * numberB
        else:
            return numberA / numberB