✔ 문제

✔ 해결

class Solution {
  public int solution(int n, int k) {
    int answer = 0;
    if(n / 10 > 0) {
      answer = (12000 * n + 2000 * k) - (n / 10) * 2000;
    }else {
      answer = 12000 * n + 2000 * k;
    }
    return answer;
  }
}