// PROGRAM product

#include "TrueBASIC.h"
int main();

int main()
{
    double a, force, m;

    m = 2;                                  // mass in kilograms
    a = 4;                                  // acceleration in mks units
    force = m*a;                            // force in Newtons
    printf("%f\n", force);

    return 0;
}