1. Miles per Gallon Calculator Create an application that calculates a car's gas mileage. The formula for calculating the miles that a car can travel per gallon of gas is: MPG=gallonsmiles In the formula MPG is miles-per-gallon, miles is the number of miles that can be driven on a full tank of gas, and gallons is the number of gallons that the tank holds. The application's form should have TextBox controls that let the user enter the number of gallons of gas the tank holds and the number of miles the car can be driven on a full tank. When the Calculate MPG button is clicked, the application should display the number of miles that the car can be driven per gallon of gas. The form should also have a Clear button that clears the input and results, and an Exit button that ends the application. If the user fails to enter numeric values, display an appropriate error message and do not attempt to perform calculations. The application's form should appear as shown in Figure 3-58. Miles per Gallon Calculator in the Designer Form1.vb[Design] X Use the following set of test data to determine if the application is calculating properly