The price of each set of "Learning English" VCD discs sold in the store is reduced by 2/9, which is exactly 12 yuan lower. How much does each set of CDs cost?
商店出售的一种"学英语"VCD光盘，每套比原来降价(2/9)，正好降低了12元．这种光盘原来每套多少元？
<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>