If a is (1/6) of b, then b is how many times of a.
如果a是b的(1/6)，则b是a的多少倍．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>

<result>6</result>