<!DOCTYPE html>
<html>
<body>
<h1>JavaScript 算术运算</h1>
<h2>运算符优先级</h2>
<p>当多个运算具有相同的优先级时，它们将从左到右依次计算。</p>
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = 100 / 50 * 3;
</script>
</body>
</html>