Lily && Milon

#include<stdio.h>
 #include<conio.h>
  main ()
 {
     /* n1 for 1st number
     n2 for 2nd number
     r for result
     x for your opretion ( that is mean what you want to do?)
     o for opson ( that is mean do you want it again?) */
     printf ("Welcome to Milan's calculator\n");
     char o;
     do{
     double n1,n2,r;
     printf( "Input your Number\n");
     scanf("%lf %lf",&n1,&n2);
     printf("Input Your opratino \n");
     char x;
     scanf(" %c", &x);

     if (x == '+')
     {
     r = n1 + n2;
     }
     else if (x == '-' )
     {
     r=n1 - n2;
     }
     else if (x == '*')
     {
     r = n1 * n2;
     }
     else if (x =='/')
     {
         r =n1 /n2 ;
     }
     else
     {
         printf(" You give wrong input\n");
     }

     printf(" Our result is %lf\n",r);
     printf(" \n do you want to continue y/n?\n");
     o =getch ();
     }while(o =='y');
     printf(" END\n");
     getch ();
     return 0;
 }