<html>
<title>Miles to Feet Length Converter</title>
<body>
<h2>Length Converter</h2>
<p>Type a value in the Miles field to convert the value to Feet:</p>
<p>
<label>Miles</label>
<input id="inputMiles" type="number" placeholder="Miles" oninput="LengthConverter(this.value)" onchange="LengthConverter(this.value)">
</p>
<p>Feet: <span id="outputFeet"></span></p>
<script>
function LengthConverter(valNum) {
document.getElementById("outputFeet").innerHTML=valNum*5280;
}
</script>
</body>
</html>