The former term of the ratio is 70, the ratio is (7/9), what is the latter term of the ratio.
比的前项是70，比值是(7/9)，比的后项是多少．
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">70 / (7/9)</gadget>
<output>90</output>

<result>90</result>