Create a C# program that does a calculation

1. Pick a computation,gas mileage, or similar problem.
2. The computation must have several steps and provide useful information.
3. You may use one of the programs in the algorithms lesson.
4. Use scroll bars to input numeric values. Use labels for output.
5. All buttons and other objects must be named with appropriate names;
6. When the button is clicked, display the results.
7. The user interface must be clear so that the user knows what to enter and what is displayed.
8. Use good names for all variables used in the computation.
9. Your code should be clear and easy to understand.