A pair of trousers is 69 yuan, and the price of a jacket is twice the price of a pair of trousers. How much does it cost to buy such a suit?
一条裤子69元，一件上衣的价钱是一条裤子价钱的2倍．买这样一套衣服，需要多少钱？
<gadget id="calculator">69 * 2</gadget>
<output>138</output>

<gadget id="calculator">138 + 69</gadget>
<output>207</output>

<result>207</result>