Xiaofang has more books than Xiaohua (1/3). Xiaofang gives her ((())/(())) to Xiaohua, and the two have exactly the same number of books.
小芳书的本数比小华多(1/3)，小芳拿出自己书的((())/(()))给小华，两人书的本数正好相等．
<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>

<gadget id="calculator">(4/3) + 1</gadget>
<output>7/3 = around 2.333333</output>

<gadget id="calculator">(7/3) / 2</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">(4/3) - (7/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) / (4/3)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>