A piece of clothing is 168 yuan, which is twice the price of a pair of trousers. How much does it cost to buy such a set of clothes?
一件衣服168元，是一条裤子价钱的2倍，买这样的一套衣服多少钱？
<gadget id="calculator">168 / 2</gadget>
<output>84</output>

<gadget id="calculator">84 + 168</gadget>
<output>252</output>

<result>252</result>