错了也得告诉我错在哪吧！直接右边空白。还说我代码错误 这不难为我呢！
$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 ;
