There are more boys in Class 51 than in Class 52 (1/4), so how many boys in Class 51 are boys in Class 52?
五一班的男生比五二班的男生多(1/4)，则五一班的男生是五二班男生的多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>