%html
<script src="https://sagecell.sagemath.org/static/embedded_sagecell.js"></script>
<script>sagecell.makeSagecell({"inputLocation": ".sage"});</script>
<link rel="stylesheet" type="text/css" href="https://sagecell.sagemath.org/static/sagecell_embed.css">
<div class="sage">
<script type="text/x-sage">1+2</script>
</div>