The ratio of a ratio is (1/3), if the former term is 12, then what is the latter term.
一个比的比值是(1/3)，如果前项是12，则后项是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 / (1/3)</gadget>
<output>36</output>

<result>36</result>