Class 401 has 26 boys and 31 girls. What percentage of the whole class are boys?
401班有男生26人，女生31人，男生人数占全班人数的几分之几？
<gadget id="calculator">26 + 31</gadget>
<output>57</output>

<gadget id="calculator">26 / 57</gadget>
<output>26/57 = around 0.45614</output>

<result>26/57 = around 0.45614</result>