There is a workshop. After transferring away (2/9) workers in July this year, another 12 workers were recruited, exactly equal to the original number of workers. How many workers did this workshop have?
有一个车间，今年七月调走(2/9)的工人后，又招进12位工人，正好与原有的工人数相等，这个车间原来有多少位工人．
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">12 / (2/9)</gadget>
<output>54</output>

<result>54</result>