class wage {
  public float calWage(int h, float r) {
    return (40*r) + calOt(h,r);
  }
  private float calOt(int h, float r){
    return (h-40) * (1.5f*r);
  }
}
public class WageMethod {
  public static void main(String[] args){
    wage emp_wage = new wage();
    float total =
            emp_wage.calWage(50,500.0f);
    System.out.printf("%s%,10.2f %s",
            "ค่าแรงรวม =",total,
            "บาท\n");
  }
}