how to remove the 0 that is added to the formula result

Hi,

I have a formula field. i placed the formula field in the group footer. zero (0) is added to the formula result. if the formula result is 8 then i am getting 0.00 and 8 as data when i select the browse field data of that field . how to remove the zero. i also used supress formula for the field. but it is not working. any idea on this regard.

Regards,

Shanthakumar.