Problems with PHP Adding Rows/Columns

[logepoge1]

<?php
	require('includes/header.php');
	
?>

<h4> <ul id="menu">
<li><p><a href="customer_details.php">Customer Details</a></p></li>
<li><p><a href="order_customer_details.php">Details by order</a></p></li>
<li><p><a href="country_list.php">Customers by Country</a></p></li>
<li><p><a href="categories.php">Products by category</a></p></li>
<li><p><a href="low_stock.php">Low Stock Items</a></p></li>
<li><p><a href="index.php">Home</a></p></li>
</ul></h4>


<?php
	$sql = "SELECT customers.CompanyName, orders.CustomerID, orders.OrderID, order_details.OrderID, order_details.ProductID, products.ProductID, products.ProductName, order_details.UnitPrice, order_details.Quantity, orders.shipVia, shippers.shipperId, shippers.CompanyName, orders.Freight
	FROM customers, orders, order_details, products, shippers
	WHERE customers.CustomerID = orders.CustomerID
	AND orders.OrderID = '" . $_GET['order'] . "%'
	AND orders.OrderID = order_details.OrderID
	AND order_details.ProductID = products.productID
	AND orders.ShipVia = shippers.ShipperID
	ORDER BY products.productName, products.UnitsInStock, products.UnitPrice, shippers.CompanyName, orders.Freight";
	
	$result = mysql_query($sql) or die(mysql_error());

	
echo "<table border='1'>
<tr>
<th>Product Name</th>
<th>Quantity</th>
<th>Unit Price</th>
<th>Shipper</th>
<th>Shipping Cost</th>
<th>Total Cost</th>
</tr>";
while($row = mysql_fetch_array($result))
  {
  echo "<tr>";
  echo "<td>" . $row['ProductName'] . "</td>";
  echo "<td>" . $row['Quantity'] . "</td>";
  echo "<td>" . $row['UnitPrice'] . "</td>";
  echo "<td>" . $row['CompanyName'] . "</td>";
  echo "<td>" . $row['Freight'] . "</td>";
  //echo "<td>""</td>";
  }
echo "</table>";
		
?>



<?php
require('includes/footer.php'); 

?>

I want to multiply the quantity row by the cost row and add the Freight amount to it. Please help.

[logepoge1]

How can I do that math?

[Custard7A]

PHP Code:



$total = $row['Quantity'] * $row['UnitPrice'] + $row['Freight'];