C++ struct structures for English measurements

#include <iostream>
using namespace std;
struct Measure//www.  ja  va  2s . c  o m
{
   int feet;
   float inches;
};
int main()
{
   Measure d1, d3;            //define two lengths
   Measure d2 = { 11, 6.25 }; //define & initialize one length
   //get length d1 from user
   cout << "\nEnter feet: ";  cin >> d1.feet;
   cout << "Enter inches: ";  cin >> d1.inches;
   //add lengths d1 and d2 to get d3
   d3.inches = d1.inches + d2.inches;  //add the inches
   d3.feet = 0;                //(for possible carry)
   if(d3.inches >= 12.0)       //if total exceeds 12.0,
   {                        //then decrease inches by 12.0
       d3.inches -= 12.0;       //and
       d3.feet++;               //increase feet by 1
   }
    d3.feet += d1.feet + d2.feet;  //add the feet
    //display all lengths
    cout << d1.feet << "\'-" << d1.inches << "\" + ";
    cout << d2.feet << "\'-" << d2.inches << "\" = ";
    cout << d3.feet << "\'-" << d3.inches << "\"\n";
    return 0;
}