console.log(
    1 + (2 + 3),
    1 + (2 + "3"),
    1 + ("2" + 3),
    1 + ("2" + "3"),
    "1" + (2 + 3),
    "1" + (2 + "3"),
    "1" + ("2" + 3),
    "1" + ("2" + "3")
);