Task: Text to Code
Input (English): SQL: SELECT Count ( * ) FROM Customer_Orders WHERE order_status = "Cancelled"
Feedback: Need to find corresponding total number of products
Output (English): SELECT sum(t2.order_quantity) FROM customer_orders AS t1 JOIN order_items AS t2 ON t1.order_id  =  t2.order_id WHERE t1.order_status  =  "Cancelled"