body, h1, p, div {
    margin: 0;
    padding: 0;
}

/* Apply some basic styles */
body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    text-align: center;
    padding: 20px;
}

h1 {
    color: #333;
    font-size: 24px;
    margin-bottom: 10px;
}

p {
    color: #666;
    font-size: 16px;
    line-height: 1.4;
    margin-bottom: 20px;
}

div {
    margin-bottom: 20px;
}

label {
    font-weight: bold;
}

input[type="number"] {
    width: 30%;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

#result {
    font-weight: bold;
    color: #333;
    font-size: 18px;
}