(2/9) of a number is 8, what is this number?
一个数的(2/9)是8，这个数是多少．
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">8 / (2/9)</gadget>
<output>36</output>

<result>36</result>