In the sixth grade, 12 people participated in the mathematics interest group, accounting for (1/4) of the whole class. How many students are there in sixth grade?
六年级参加数学兴趣小组的有12人，占全班人数的(1/4)．六年级共有多少名学生？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 / (1/4)</gadget>
<output>48</output>

<result>48</result>