Hey guys I'm having trouble understanding where I've gone wrong, I'm assuming its within my maths but I can't see what it is that resulting in it not giving the correct answer
let input = Number(document.querySelector('.rep').value);
let btn = document.getElementById('submit');
let display = document.getElementById('1rm');
btn.addEventListener('click', function(ev) {
let twentyPercent = Math.floor(input * 0.2);
let max = Number(twentyPercent.value) * 100;
display.textContent = Number(max.value);
ev.preventDefault();
return
});<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>1 Rep Mac Calculator</title>
<link href="1rm.css" rel="stylesheet">
<script defer src="1rm.js"></script>
</head>
<body>
<div id="title">
<h1>1 Rep Max Calculator</h1>
</div>
<form id="repV">
<input type="number" min="20" class="rep">
<input type="submit" id="submit">
</form>
<div id="1rm-title">
<h2>Your 1 rep max is:</h2>
</div>
<div id="1rm">
<p>Text</p>
</div>
</body>
</html>
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