<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Simplificar JavaScript</title>
</head>
<body>
<h1>Simplificar JavaScript</h1>
<p id="demo"></p>
<script>
const html1 = '<h1><img src="https://th.bing.com/th/id/OIP.6xji_E8qPUztMS5orDPa5QHaFR?rs=1&pid=ImgDetMain"><br>Seja feliz por favor</h1>';
const html2 = 23 * 23;
document.getElementById('demo').innerHTML = html1 + '<p>Resultado: ' + html2 + '</p>'; // Concatenando html1 e html2
</script>
</body>
</html>