Please calculate the average total price of orders from Exoto Designs Vendor in 2005.
average total price = DIVIDE(SUM(MULTIPLY(quantityOrdered, priceEach))), COUNT(orderNumber)); year(orderDate) = '2005';
SELECT SUM(T2.quantityOrdered * T2.priceEach) / COUNT(T3.orderNumber) FROM products AS T1 INNER JOIN orderdetails AS T2 ON T1.productCode = T2.productCode INNER JOIN orders AS T3 ON T2.orderNumber = T3.orderNumber WHERE T1.productVendor = 'Exoto Designs' AND STRFTIME('%Y', T3.orderDate) = '2005'