Its an app) (Miles-per-Gallon Calculator App) In java with comments

Place AnchorPane in design and set its attributes

Place mileTextField, gallonsTextField and calcButton on the AnchorPane and set their attributes

Place label that will show the calculated value and set its attributes

Drivers often want to know the miles per gallon their cars get so they can estimate gasoline costs. Develop an app that allows the user to input the number of miles driven and the number of gallons used and calculates and displays the corresponding miles per gallon.