(1/3)/(1/7)/(1/3).
(1/3)/(1/7)/(1/3)．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">(1/3) / (1/7) / (1/3)</gadget>
<output>7</output>

<result>7</result>