There are 48 fifth-grade students participating in the mathematics interest group, which is 20% more than the number participating in the writing group. How many people participate in the writing group?
五年级同学参加数学兴趣小组的有48人，比参加写作小组的人数多20%，参加写作小组的有多少人？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">48 / (6/5)</gadget>
<output>40</output>

<result>40</result>