Three classes in the sixth grade participated in tree planting labor. Class 61 accounts for the total number of people (7/24). If 7 people are transferred from Class 62 to Class 61, the number of people in the three classes will be equal. How many people in the sixth grade participated in the tree planting work?
六年级三个班参加植树劳动．六一班占总人数的(7/24)，如果从六二班调7人到六一班，则三个班人数相等．六年级参加植树劳动的共有多少人？
<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">7 / 24</gadget>
<output>7/24 = around 0.291667</output>

<gadget id="calculator">1 - (1/3) - (7/24) - (7/24)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">14 / (1/12)</gadget>
<output>168</output>

<result>168</result>