    <!DOCTYPE html>
    <html>
    <head>
      <meta charset="UTF-8">
      <title>산술 연산자 사용하기</title>
      <link rel="stylesheet" href="style_js.css">
    <body>
      <script>
        let num = 0;
        num++;
        document.write("num++ = " + num + "<hr>");
        num = 2 * 3;
        document.write("2 * 3 = " + num + "<hr>");
        num = 2 ** 3;
        document.write("2 ** 3 = " + num + "<hr>");
        num = 7 / 3;
        document.write("7 / 3 = " + num + "<hr>");
        num = 7 % 3;
        document.write("7 % 3 = " + num);
      </script>
    </body>
    </html>