The result of your conversion between pony and gallon [US, liquid] appears here
To convert between Pony and Gallon [US, Liquid] you have to do the following:
First divide (0.000016387064*231)/128 / 0.000016387064*231 = 0.0078125
Then multiply the amount of Pony you want to convert to Gallon [US, Liquid], use the chart below to guide you.
Symbol: pony
No description
Symbol: gal
No description