A sweater costs 250 yuan, and a pair of jeans costs 120 yuan. My mother bought 2 sweaters and 1 pair of jeans. How much is the total cost?
一件毛衣250元，一条牛仔裤120元，妈妈买了2件毛衣和1条牛仔裤，一共用去多少元钱？
<gadget id="calculator">250 * 2</gadget>
<output>500</output>

<gadget id="calculator">500 + 120</gadget>
<output>620</output>

<result>620</result>