In the sixth grade, 48 people participated in the mathematics group, which was 20% more than the number of the language group. How many people participated in the language group?
六年级有48人参加数学小组，比语文小组的人数多20%，参加语文小组的有多少人？
<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>