Question : how to count the sum?

I have a

select count(*) as orderQTY, order_date from product
group by order_date

--the output is

orderQTY     order_date
234                6/2/2010
200                5/20/2010
90                  3/1/2010
28                  1/29/2010

I need sum this output orderQTY's total  in the select query, how can I do this?

Answer : how to count the sum?

See this as well:

SELECT [OrderQty],Count(*) as OrderQty_Total
     ,[order_date]
FROM [Practice].[dbo].[product]
Group by [order_date],[OrderQty]