private void CheckIfSumIsOK() { if (number1 != null && number2 != null && number3 != null) { int one = ConvertStringToInt(number1); int two = ConvertStringToInt(number2); int three = ConvertStringToInt(number3); if (mathController.CheckIfMathIsOk(one, two, three)) { longerAudio.clip = rightAnswerSounds[Random.Range(0, rightAnswerSounds.Count)]; longerAudio.Play(); SetPoints(); RemoveAllNumberBoxes(); timerController.RestartTimerAndReduceTime(); } else { StartCoroutine(WrongNumberAnswer()); longerAudio.clip = wrongAnswerSounds[Random.Range(0, wrongAnswerSounds.Count)]; longerAudio.Play(); } } }