In a class, the average height of the girls was $163\text{cm}$. Teacher Yun accidentally recorded one of the girls\textquotesingle{} height as $126\text{cm}$ instead of $162\text{cm}$. Therefore, the average height of the girls was inaccurately recorded as $159\text{cm}$ instead. How many girls\textquotesingle{} heights were recorded?~\uline{~~~~~~~~~~}~girls 
Overseas Competition->Knowledge Point->Calculation Modules