The price of a piece of yogurt is 120 yuan, and the price of a set of clothes is 6 times that of yogurt. How much is the cost of buying yogurt and clothes together?
一件酸奶的价格是120元，一套衣服的价格是酸奶的6倍，买酸奶和衣服一共用去多少元？
<gadget id="calculator">120 * 6</gadget>
<output>720</output>

<gadget id="calculator">120 + 720</gadget>
<output>840</output>

<result>840</result>