Summing up each group of a Table in SSRS VS 2010

I am working on SSRS reports. I have a table having group i.e.

But I want this kind of table as a result:

Th开发者_开发技巧at is summing the Age Total in each group.

Any idea?

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asma, use for the group you created the group footer. inserting the age total there will create the relevant sum.