The number of boys in the sixth grade is the number of girls (9/7), what percentage of the total number of boys?
六年级男生人数是女生人数的(9/7)，男生人数占总人数的百分之几？
<gadget id="calculator">9 / 7</gadget>
<output>9/7 = around 1.285714</output>

<gadget id="calculator">1 + (9/7)</gadget>
<output>16/7 = around 2.285714</output>

<gadget id="calculator">(9/7) / (16/7)</gadget>
<output>9/16 = around 0.5625</output>

<result>9/16 = around 0.5625</result>