The number of students in Class 5 (2/5) is 22. How many students are there in this class?
五1班学生数的(2/5)是22人，这个班共有多少人．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">22 / (2/5)</gadget>
<output>55</output>

<result>55</result>