The students took a bus to Shenzhen "Window of the World" for an autumn tour. There are 55 people in each car, and it took 3 cars to send all the students away twice. How many students are there in the autumn outing? (answer in two ways)
同学们乘汽车去深圳"世界之窗"秋游．每辆汽车坐55人，用3辆汽车送了2次才把所有的同学送走．去秋游的同学一共有多少人？(用两种方法解答)
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">55 * 6</gadget>
<output>330</output>

<result>330</result>