Results in (4/7)*(2/3), (4/7)/(2/3), (2/3)*(4/7), (2/3)/(4/7) what is the biggest
在(4/7)*(2/3)，(4/7)/(2/3)，(2/3)*(4/7)，(2/3)/(4/7)中结果最大的是多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">(2/3) / (4/7)</gadget>
<output>7/6 = around 1.166667</output>

<result>7/6 = around 1.166667</result>