The former term of a ratio is 5, the ratio is (5/3), what is the latter term of the ratio.
一个比的前项是5，比值是(5/3)，比的后项是多少．
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">5 / (5/3)</gadget>
<output>3</output>

<result>3</result>