pair of trousers is 56 yuan, and the price of a jacket is twice that of a pair of trousers. How much does it cost to buy such a set of clothes?
一条裤子56元，一件上衣的价钱是一条裤子的2倍．买这样一套衣服，大约需要多少钱？
<gadget id="calculator">56 * 2</gadget>
<output>112</output>

<gadget id="calculator">56 + 112</gadget>
<output>168</output>

<result>168</result>