题解 | #你能活多少秒#

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int age = sc.nextInt();
        double seconds = 3.156 * Math.pow(10, 7) * age;
        Double d = new Double(seconds);
        // 使用intValue 会出现精度问题，导致最后的值不正确
        System.out.print(d.longValue());
    }
}