The former term of a ratio is 8.5, the ratio is (1/4), and what is the latter term.
一个比的前项是8.5，比值是(1/4)，后项是多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">8.5 / (1/4)</gadget>
<output>34</output>

<result>34</result>