Dividing a number (except 0) by (1/6) is equivalent to multiplying the number by how many times.
一个数(0除外)除以(1/6)，就相当于把这个数扩大了多少倍．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">2 / (1/6)</gadget>
<output>12</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<result>6</result>