For the autumn tour of Hongqi Primary School students, 210 students from the third and fourth grades each went, and 235 students from the fifth grade went. How many people from the three grades went there?
红旗小学学生秋游，三四年级各去了210人，五年级去了235人，三个年级共去了多少人？
<gadget id="calculator">210 + 210 + 235</gadget>
<output>655</output>

<result>655</result>