index.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Calculator</title>
    <link rel="icon" href="icon.png">
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <p id="title">Calculator</p>
    <div class="container">
        <div class="result">

            <p id="show"></p>

        </div>
        <div class="calc-body">

            <input type="number" id="number-1">
            <input type="number" id="number-2">

            <input type="button" id="sum" value="+">
            <input type="button" id="subtract" value="-">
            <input type="button" id="multiply" value="*">
            <input type="button" id="division" value="/">

        </div>
    </div>

    <script src="calc.js"></script>

</body>

</html>