/*************************************************/
// paint1b.cpp
// R. A. Hillyard
// Last Modified: 02/05/2001
//
// Determine the number of gallons of paint needed for a given area. 
// The user will enter the length and height in feet and inches
//
// Modifyed to show how to format floating point numbers for cout
/*************************************************/

#include <iostream>

using namespace std;

const float sqFtPerGal = 350.0;

int main()
  {
  float feet, inches, length, height, area, numGallons;
	
  cout << "Enter the length in feet and inches: ";
  cin >> feet >> inches;
  length = feet + inches/12.0;
	
  cout << "\nEnter the height in feet and inches: ";
  cin >> feet >> inches;
  height = feet + inches/12.0;

  area = length * height;
  numGallons = area/sqFtPerGal;

  //set floating point output to 2 decimal places
  cout.setf(ios::fixed);
  cout.setf(ios::showpoint);
  cout.precision(2);

  cout << "\nYou will need: " << numGallons << " gallons of paint to";
  cout << "\ncover the area of " << area << " square feet\n\n";  return 0;
  }

/****************program output****************/

Enter the length in feet and inches: 55.6 8

Enter the height in feet and inches: 44 9.5

You will need: 7.20 gallons of paint to
cover the area of 2520.28 square feet