3 Yrs on H1B Cap Exempt + 3 Years on Cap H1B does that complete my 6 years in total of H1B in USA. Or do I get 3 yrs extension?

USA H1B Visa
1

3 Yrs on H1B Cap Exempt + 3 Years on Cap H1B does that complete my 6 years in total of H1B in USA. Or do I get 3 yrs extension ?