Calculate the total price of shipped orders belonging to Land of Toys Inc. under the classic car line of products.
SUM(MULTIPLY(quantityOrdered, priceEach)) where productLine = 'Classic Cars'; status = 'Shipped'; customername = 'Land of Toys Inc';
SELECT SUM(t3.priceEach * t3.quantityOrdered) FROM customers AS t1 INNER JOIN orders AS t2 ON t1.customerNumber = t2.customerNumber INNER JOIN orderdetails AS t3 ON t2.orderNumber = t3.orderNumber INNER JOIN products AS t4 ON t3.productCode = t4.productCode WHERE t4.productLine = 'Classic Cars' AND t1.customerName = 'Land of Toys Inc.' AND t2.status = 'Shipped'