An item is sold at (2/3) the original price, and the price is 12 yuan, what is the original price.
一件物品以原价的(2/3)出售，价格为12元，则原价是多少元．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">12 / (2/3)</gadget>
<output>18</output>

<result>18</result>