After transferring (1/5) of the students in class 51 to class 52, the number of students in the two classes is just equal. How much is the number of students in class 52 originally compared to class 51?
把五1班学生的(1/5)调至五2班后，两个班学生人数刚好相等，原来五2班学生数是五1班的多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">(1/5) * 2</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>