A sweater is 235 yuan, and the price of a pair of jeans is twice that of a sweater. How much does it cost to buy a sweater and a pair of jeans?
一件毛衣235元，一条牛子裤的价钱是毛衣的2倍．买一件毛衣和一条牛子裤一共要多少元？
<gadget id="calculator">235 * 2</gadget>
<output>470</output>

<gadget id="calculator">235 + 470</gadget>
<output>705</output>

<result>705</result>