#include <stdio.h>
#include <math.h>
#include <stdlib.h>

int main(){

   double p;
   double a = 16;
   double b = 54000000;
   p = (a/b);

   const char* format = "%4.6e\n";

   printf(format, p);
   printf(format, 2739.469238);
   return 0;
}