Sixth Class 1 originally planned to transfer (1/5) people to participate in voluntary labor, and 2 people took the initiative to participate temporarily, so that the actual number of people participating in labor was the remaining (1/3), how many people were originally planned to be transferred to participate in voluntary labor?
六1班原计划抽调(1/5)的人参加义务劳动，临时又有2人主动参加，使实际参加劳动的人数是余下的(1/3)，则原计划抽调多少人参加义务劳动？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/4) - (1/5)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">2 / (1/20)</gadget>
<output>40</output>

<gadget id="calculator">40 * (1/5)</gadget>
<output>8</output>

<result>8</result>