6 is a number (2/9), what is this number?
6是一个数的(2/9)，这个数是多少．
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">6 / (2/9)</gadget>
<output>27</output>

<result>27</result>