Compared with the orders happened on 2005-04-08 and two days later, which day's order had a higher value?
2005-04-08 and two days later refer to orderDate = '2005-04-08' and orderDate = '2005-04-10'; order with a higher value refers to MAX(Total price) = MULTIPLY(quantityOrdered, priceEach); 
SELECT T2.orderDate FROM orderdetails AS T1 INNER JOIN orders AS T2 ON T1.orderNumber = T2.orderNumber WHERE STRFTIME('%Y-%m-%d', T2.orderDate) = '2005-04-08' OR STRFTIME('%Y-%m-%d', T2.orderDate) = '2005-04-10' ORDER BY T1.quantityOrdered * T1.priceEach DESC LIMIT 1