What is (1/3) the difference between (1/4) and (3/5)?
(1/4)与(3/5)的差的(1/3)是多少？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(7/12) * (1/3)</gadget>
<output>7/36 = around 0.194444</output>

<result>7/36 = around 0.194444</result>