Calculate the total price for products from id 400 to 500.
total price = SUM(MULTIPLY(Price, Quantity)); from id 400 to 500 refers to ProductID BETWEEN 400 AND 500;
SELECT SUM(T1.Price * T2.quantity) FROM Products AS T1 INNER JOIN Sales AS T2 ON T1.ProductID = T2.ProductID WHERE T1.ProductID BETWEEN 400 AND 500