Convert from oka, oke [Turkey] to scruple [troy]

Unit Definition (oka, oke [Turkey])
The oka, oke [Turkey] is a traditional unit of weight in Turkey and throughout the eastern Mediterranean. The oka is approximately 2.8 pounds or 1.28 kilograms, although its size varied somewhat over the large area formerly included in the Turkish empire.

Unit Definition (scruple [troy])
The scruple is a unit of weight in the traditional (troy) system used by English apothecaries, equal to 20 grains, 1/24 troy ounce or approximately 1.2960 gram.