MS Access SQL how to get sum?

Question

SQL

Such a query in MS Access displays a table of the contents of orders

SELECT OrderItem.ID, ProductID, OrderID, Quantity, 
P.Title,P.CurrentPrice, P.ID, (P.CurrentPrice* OrderItem.Quantity) AS Total
FROM OrderItem 
INNER JOIN Product AS P ON OrderItem.ProductID = P.ID

How to get the total amount for each OrderID?