The result of your conversion between pyong and cawney appears here
To convert between Pyong and Cawney you have to do the following:
First divide 3.306 / (4/3) * (0.09290304*43560) = 0.0006127
Then multiply the amount of Pyong you want to convert to Cawney, use the chart below to guide you.
Symbol: pyong
No description
Symbol: cawney
No description