How much of an impact do community college classes make on UC gpa and appliaction

I have taken 12 community college classes and I was wondering whether it would go into my gpa and if it will increase chances.

@ritvikxd: If the community college courses complete your a-g UC course requirements and are UC transferable plus they have been taken the summer prior to 10th grade through the summer prior to 12th grade, then the grades will be included in your UC GPA. CC courses will show course rigor but they will not increase your chances any more than taking HS AP/IB courses which are also weighted.

Just remember that these courses will be part of your college transcripts and will have be submitted if applying to Graduate school, Medical school, Dental school etc…