The number of boys is more than the number of girls (1/3), and the number of boys is equal to the number of girls ((())/(())).
男生人数比女生人数多(1/3)，男生人数是女生的((())/(()))．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>