What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I have inspected your form and I saw that you are using conditional logic to calculate field values.
Currently you charge for the Mileage is 0.30. Simply change charge from 0.30 to 0.33, inside of your condition for calculation.
Here is my demo form, where I changed the Milage charge to $0.33:
Feel free to clone it.
Hope this will help. Let us know if you need further assistance.