// CODE_RUNNER: Data Abstraction Homework

function calculator(num1, num2, operator) {
    let result;

    if (operator === "+") {
        result = num1 + num2;
    } else if (operator === "-") {
        result = num1 - num2;
    } else if (operator === "*") {
        result = num1 * num2;
    } else if (operator === "/") {
        result = num1 / num2;
    } else {
        result = "Invalid operator";
    }

    return result;
}

console.log(calculator(10, 5, "+"));
console.log(calculator(10, 5, "-"));
console.log(calculator(10, 5, "*"));
console.log(calculator(10, 5, "/"));

class Pet {
    eat() {
        console.log("Nom nom nom");
    }
}

class Dog extends Pet {
    bark() {
        console.log("Woof woof!");
    }
}

let myDog = new Dog();
myDog.eat();
myDog.bark();