This is C++

Enter wall height (feet): 12 Enter wall width (feet): 15 Wall area: 180 square feet 

(2) Extend to also calculate and output the amount of paint in gallons needed to paint the wall. Assume a gallon of paint covers 350 square feet. Store this value using a const double variable. (2 pts)

Enter wall height (feet): 12 Enter wall width (feet): 15 Wall area: 180 square feet Paint needed: 0.514286 gallons 

(3) Extend to also calculate and output the number of 1 gallon cans needed to paint the wall. Hint: Use a math function to round up to the nearest gallon. (2 pts)

Enter wall height (feet): 12 Enter wall width (feet): 15 Wall area: 180 square feet Paint needed: 0.514286 gallons Cans needed: 1 can(s)