A jacket is 38 yuan, and a pair of trousers is 16 yuan. How much does it cost to buy 2 sets of these clothes?
一件上衣38元，一条裤子16元，买2套这样的衣服，共花多少元．
<gadget id="calculator">38 + 16</gadget>
<output>54</output>

<gadget id="calculator">54 * 2</gadget>
<output>108</output>

<result>108</result>