这个要咋做，求大佬帮助！

package zh.codegym.task.task09.task0925;

/*
错位的 static 修饰符
*/

public class Solution {
    public int A = 5;
    public static int B;// = 2 * A;
    public static int C;// = A * B;
    public static int D;// = A * B;

    public static void main(String[] args) {
        Solution room = new Solution();
        room.A = 5;

        Solution.D = 5;
    }

    public int getA() {
        return A;
    }

}