return (int)Math.round(((double)playListLength) * (((double)unratedPlayListRatio) / 100.0));
return (int)Math.ceil(((double)playListLength) * (((double)unratedPlayListRatio) / 100.0));
  public int getNoOfUnratedOnPlaylist() {    int playListLength = getPlayListLength();    int unratedPlayListRatio = getUnratedPlayListRatio();        return (int)Math.round(((double)playListLength) * (((double)unratedPlayListRatio) / 100.0));  }