There are 48 people in the mathematics interest group in the sixth grade, accounting for 1/4 of the whole grade. How many people are there in the sixth grade?
六年级参加数学兴趣小组48人，占全年级人数(1/4)，六年级共有多少人？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">48 / (1/4)</gadget>
<output>192</output>

<result>192</result>