The students went to the spring outing, 60 students went to the third grade, twice as many students went to the sixth grade as the third grade, how many people went there in total?
同学们去春游，三年级去了60人，六年级去的人数是三年级的2倍，一共去了多少人？
<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<gadget id="calculator">120 + 60</gadget>
<output>180</output>

<result>180</result>