The purchase price of a notebook computer is 12,000 yuan. How much should the selling price be based on a 25% profit margin?
一款笔记本电脑进货价12000元．按25%的利润率定价，售价应多少元．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">12_000 * (5/4)</gadget>
<output>15_000</output>

<result>15_000</result>