Using a 3/4″ thick wood finish floor and 1/2″ gypsum board for the ceiling, what would be the length of the load bearing wall studs if the finished floor to ceiling height was 8`?

Using a 3/4″ thick wood finish floor and 1/2″ gypsum board for the ceiling, what would be the length of the load bearing wall studs if the finished floor to ceiling height was 8`?