#include <iostream>
#include <cstdlib>

using namespace std;

int main(int argc, char *argv[])
{  system("chcp 1253");
   
   float result;
   result = 1.0 + 2.0 * 3.0 / 4.0;
   cout <<result<<endl;
   result = 1.0 / 2.0 + 3.0;
   cout <<result<<endl;
   result = (1.0 + 2.0) / 3.0;
   cout <<result<<endl;
   result = (1.0 + 2.0 / 3.0) + 4.0;
   cout <<result<<endl;

   system("PAUSE");
   return 0;
}