A piece of clothing is 65.4 yuan, and the price of a skirt is 13.9 yuan cheaper than the clothes. How much is the total cost of buying a dress and a skirt?
一件衣服65.4元，一条裙子价钱比衣服便宜13.9元，买一件衣服和一条裙子共需多少元？
<gadget id="calculator">65.4 - 13.9</gadget>
<output>51.5</output>

<gadget id="calculator">51.5 + 65.4</gadget>
<output>116.9</output>

<result>116.9</result>