In 8:9, if the former term is increased by 16, what should be the latter term to keep the ratio constant?
在8：9中，如果前项增加16，要使比值不变，后项应多少
<gadget id="calculator">9 * 3</gadget>
<output>27</output>

<gadget id="calculator">27 - 9</gadget>
<output>18</output>

<result>18</result>