?php3_3 ?scalar003.php?
<html>
<head>
<title>3 php?????????</title>
</head>
<body>
<h1>3.3?????</h1>
<h3>scalar003.php???</3>
<?php
$nedan = 800;
$kazu = 39;
$waribiki = 0.2;
$kingaku = $nedan*$kazu*(1-$waribiki);
echo "????????<b>$kingaku ?</b>????????????<br>";
?>
</body>
</html>