<prompt> Translate the following text to EnglishKwa kuwa eneo hilo ni msingi wa uchumi, kila mwaka tunavuna chumvi kiasi cha tani 54,400 tonni 60,000.  <response>: Providing the mainstay of the economy for this area, some 54,400 metric tons 60,000 tons of salt a year are harvested here. 