A children's top is 80 yuan, a pair of trousers is 10 yuan cheaper than the top, and a skirt is 5 yuan more expensive than the trousers. How much is this dress?
一件儿童上衣80元，一条长裤比上衣便宜10元，一条裙子又比长裤贵5元．这条裙子多少钱？
<gadget id="calculator">80 - 10</gadget>
<output>70</output>

<gadget id="calculator">70 + 5</gadget>
<output>75</output>

<result>75</result>