num1 = float(input("Please enter the first number: "))
operator = input("Please enter the operator: ")

num2 = float(input("Please enter the second number: "))



if operator == "+":

    print(num1 + num2)

elif operator == "-":

    print(num1 - num2)

elif operator == "/":

    print(num1 / num2)

elif operator == "*":

    print(num1 * num2)

else:

    print("Invalid operator")