int value, total;
double carval=55.0, truckval=65.0, vanval=60.0, othersval=70.0;
printf("Enter value, 1=car, 2=truck, 3=van\n");
scanf("%d", &value);
switch(value)
{
   case 1:
        total=carval;
        break;

   case 2:
      total=truckval;
      break;

   case 3:
      total=vanval;
      break;

   default:
      total=othersval;
}