A product sold at 40% off the original price is 18 yuan, a loss of 2 yuan. How much can you earn if you sell it at the original price?
某件商品按原价六折卖出是18元，亏2元．如果按原价卖出可以赚多少．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">18 / (3/5)</gadget>
<output>30</output>

<gadget id="calculator">18 + 2</gadget>
<output>20</output>

<gadget id="calculator">30 - 20</gadget>
<output>10</output>

<gadget id="calculator">10 / 20</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>