There are 210 boys in the sixth grade, which is 5% more than the number of girls. How many people are there in the whole grade?
六年级男生有210人，比女生人数多5%，全年级共有多少人．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 + (1/20)</gadget>
<output>21/20 = around 1.05</output>

<gadget id="calculator">210 / (21/20)</gadget>
<output>200</output>

<gadget id="calculator">200 + 210</gadget>
<output>410</output>

<result>410</result>