S_chapter_5 prblm_4 velocity

#include<stdio.h>
#include<math.h>
int main ()

{
    int v,t,s;
    printf("enter velocity: ");
    scanf("%d",&v);
    printf("enter time:");
    scanf("%d",&t);
    s=v*2*t;
    printf("S= %d",s);
    return 0;



}