car$$s miles$-$per$-$gallon $($MPG$)$ can be calculated with the following formula:

Design a program that asks the user for the number of miles driven and the gallons of gas used. It should calculate the car$$s miles$-$per$-$gallon and display the result on the screen.

Modify the program to make sure the maximum number of gallons used is not over $30.$

Also modify the program to make sure the number of miles driven is not less than $1.$

Type the Answer in a FLOWCHART.