#include <stdio.h>
int main(void) {
double areaRectangle(double length, double width) {
return length * width;
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7Cglkb3VibGUgYXJlYVJlY3RhbmdsZShkb3VibGUgbGVuZ3RoLCBkb3VibGUgd2lkdGgpIHsKICAgIHJldHVybiBsZW5ndGggKiB3aWR0aDsKfQoJcmV0dXJuIDA7Cn0K