There are 27 boys in Class 51, 5 more than girls. What percentage of the whole class are boys?
五1班有男生27人，比女生多5人，男生人数占全班人数的几分之几？
<gadget id="calculator">27 - 5</gadget>
<output>22</output>

<gadget id="calculator">27 + 22</gadget>
<output>49</output>

<gadget id="calculator">27 / 49</gadget>
<output>27/49 = around 0.55102</output>

<result>27/49 = around 0.55102</result>