If a product is sold at the original price of 18 yuan, the loss is 25%. If you want to make a profit of 25%, how much should you sell the product for?
某商品如果按原价18元出售，则亏25%，如果想盈利25%，应按多少元出售该商品？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">18 / (3/4)</gadget>
<output>24</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">24 * (5/4)</gadget>
<output>30</output>

<result>30</result>