Convert Fahrenheit to Celsius with C language

#include <stdio.h>
int main()
{
    double celsius, fahrenheit;
    printf("Enter Fahrenheit: ");
    scanf("%lf", &fahrenheit);
    celsius = (fahrenheit - 32) * 5 / 9;
    printf("\n Celsius = %.2lf ", celsius);
}

output:-

Enter Fahrenheit : 100

Celsius = 37.78