c13e3.c

#include<stdio.h>
#include "metric.h"
int main(void)
{
  float liters, gallons;

  printf("*** Liters to Gallons ***\n\n");
  printf("Enter the number of liters:");
  scanf("%f",&liters);

  gallons=liters*QUARTS_PER_LITER/4.0;
  printf("%g liters = %g gallons\n",liters,gallons);

  return 0;
}