Getting a field from subtotal

hi all,

i have a problem in my report; some fields grouped by matrix and include a subtotal. In column group there is 2 field and one of them contain integer values. I want to sum all of the this fields and minus from a rowgroup field. Is there a way for to sum fields in coloumn group or getting total field from subtotal?

I'm having trouble understanding your problem and your English. Could you try to rephrase your question and add a little more detail?

Thanks