 <translate> There are 81 / 3 = 27 chips in a batch. Thus, there are 27 / 9 = 3 cookies in a batch.
The final answer: 3. <yor> 81 / 3 jẹ 27 awọn eerun ni ipele kan. Nítorí náà, 27 / 9 = 3 búrẹ́dì nínú ìdìpọ̀ kan. Ìdáhùn tó gbẹ̀yìn ni pé: 3. 