There are 40 male students and 37 female students on May 2nd. What percentage of the whole class are female students?
五二有男同学40人，女同学37人，女同学占全班人数的几分之几？
<gadget id="calculator">40 + 37</gadget>
<output>77</output>

<gadget id="calculator">37 / 77</gadget>
<output>37/77 = around 0.480519</output>

<result>37/77 = around 0.480519</result>