The number of girls in Class 6 and 2 is 10% more than the number of boys. How many girls account for the whole class?
六二班的女生人数比男生人数多10%，女生人数占全班人数的多少
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">1 + 1 + (1/10)</gadget>
<output>21/10 = around 2.1</output>

<gadget id="calculator">(11/10) / (21/10)</gadget>
<output>11/21 = around 0.52381</output>

<result>11/21 = around 0.52381</result>