angolo in gradi

#include <stdio.h>
#include <stdlib.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {
    int G,P,S;
    int ampiezza;
    printf("gradi");
    scanf ("%d",&G);
    printf("primi");
    scanf("%d",&P);
    printf("secondi");
    scanf("%d",&S);
    ampiezza=(G*60*60)+(P*60)+S;
    printf("l ampiezza dell angolo espressa in secondi vale %d",ampiezza);





    return 0;
}