A pair of trousers is 98 yuan, and the price of a jacket is twice that of trousers. How much does it cost to buy such a set of clothes?
一条裤子98元，一件上衣的价钱是裤子的2倍．买这样一套衣服需要多少元钱？
<gadget id="calculator">98 * 2</gadget>
<output>196</output>

<gadget id="calculator">196 + 98</gadget>
<output>294</output>

<result>294</result>