这样写为什么只得了50啊= =

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double PI=3.14159;
        double r = scanner.nextDouble();
        double zhi = 2 * r;
        double zhouchang = 2 * PI * r;
        double area = Math.PI * r * r;
        System.out.printf("%.4f %.4f %.4f", zhi, zhouchang, area);
    }
}