A top is 60 yuan, a pair of trousers is 16 yuan more expensive than a top, a skirt is 28 yuan cheaper than a pair of trousers, how much is a skirt?
一件上衣60元，一条长裤比一件上衣贵16元，一条裙子比一条长裤便宜28元，一条裙子多少钱？
<gadget id="calculator">16 - 28</gadget>
<output>-12</output>

<gadget id="calculator">60 + (-12)</gadget>
<output>48</output>

<result>48</result>