A pair of trousers is 104 yuan, and the price of the jacket is twice as much as the price of the trousers. How much is the total cost to buy such a set of clothes?
一条裤子104元，上衣的价钱比裤子的价钱多2倍，买这样的一套衣服一共需要多少元．
<gadget id="calculator">104 * 2</gadget>
<output>208</output>

<gadget id="calculator">208 + 104 + 104</gadget>
<output>416</output>

<result>416</result>