Mom bought a bag of more than 20 apples, the elder brother took out (1/4) of the total, and the younger sister took out (1/3) of the total. How many apples are there in this bag?
妈妈买来一袋苹果有20多个，哥哥拿出总数的(1/4)，妹妹拿出总数的(1/3)．这袋苹果共有多少个？
<result>24</result>