The ratio of a ratio is (2/3), if the former term of this ratio is 10, then what is the latter term.
一个比的比值是(2/3)，如果这个比的前项是10，那么后项是多少．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">10 / (2/3)</gadget>
<output>15</output>

<result>15</result>