100% function returns int by default

// Online C compiler to run C program online
#include <stdio.h>
 squaring(float n) // by default it returns int
{
    float ans;
    ans=n*n;
  printf("square of given number=%f",ans);
  return(ans);
}
void main()
{
    float i,answer;
    printf("\n enter a number whose square is rewuired:");
    scanf("%f",&i);
    answer=squaring(i);
     printf("\n\n square of given number=%f",answer);

}

తెరమీద 
enter a number whose square is rewuired:3.5
square of given number=12.250000

 square of given number=12.000000