There is a pile of pears, no more than 100, and they are distributed to children in three classes in the kindergarten. The first class gets (2/7) of this pile of pears, the second class gets (1/3) of the total number of this pile of pears, and the rest Divide into three classes. It is also known that the number of pears assigned to each class is an integer. Ask: How many pears can a class assign at most?
有一堆梨，不超过100个，分给幼儿园三个班的小朋友，一班分到这堆梨的(2/7)，二班分到这堆梨总数的(1/3)，剩下的分给三班．又已知每班分到梨的个数都是整数，问：一班最多分到少个梨？
<gadget id="calculator">3 * 7</gadget>
<output>21</output>

<gadget id="calculator">21 * 4</gadget>
<output>84</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">84 * (2/7)</gadget>
<output>24</output>

<result>24</result>