1. Write a Python statement that subtracts the variable dewn_ pavment from the variable total and assigns the result to the variable due. 2. Write a Python statement that multiplies the variable subtotal by 0.15 and assigns the result to the variable total, 3. Miles-per-Gallon A car's miles-per-gallon (MPG) can be calculated with the following formula: MPG =Miles driven / Gallons of gas used. Write a program that asks the user for the number of miles driven and the gallons of gas used. It should calculate the car's MPG and display the result