The trousers are 56 yuan, and the jacket is three times the size of the trousers. How much does it cost to buy a set of such clothes?
裤子56元，上衣是裤子的3倍，买一套这样的衣服需要多少元？
<gadget id="calculator">56 * 3</gadget>
<output>168</output>

<gadget id="calculator">168 + 56</gadget>
<output>224</output>

<result>224</result>