Simple Gas Mileage Calculator

Simple Gas Mileage Calculator.

Input factor
- Price
- One of
* Filled lubrication and the distance you drived with it.
* or, Total costs of lubrication and the distance you drived with it.

And you can get the result
* Gas mileage
* The cost and amount of fuels to drive unit distance
* The distance you can drive with unit money.
* The lubrication you can fill with unit money.

That's it.. :)