Pedágio-[OBI]

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

int main()
{
    int comp_estrada, dist_ped, custo_km, val_ped, ped, km, valor;

    scanf("%d %d", &comp_estrada, &dist_ped);
    scanf("%d %d", &custo_km, &val_ped);

    ped=comp_estrada/dist_ped*val_ped;
    km=custo_km*comp_estrada;

    printf("%d", ped+km);

return 0;
}