If (7/12)/x=(7/12)*x, then what is x
如果(7/12)/x=(7/12)*x，那么x是多少
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(7/12) / (7/12)</gadget>
<output>1</output>

<result>1</result>