请问 我这个代码 哪里错了呀？
<?php
$shoesPrice = 49; //鞋子单价
$shoesNum = 1; //鞋子数量
$shoesmoney = $shoesprice * $shoesnum;
$shirtPrice = 99; //衬衣单价
$shirtNum = 2; //衬衣数量
$shirtmoney = $shirtprice * $shirtnum;
$ordermoney = $shoesmoney + $shirtmoney;
echo $orderMoney ;
?>
