35 students from class 1 go to the park to row boats. Each small boat can take up to 4 people, and each large boat can take up to 6 people. If all take big boats, at least how many boats do you need to rent? (writing process)
三1班35名同学去公园划船，每只小船最多坐4人，每只大船最多坐6人．如果都坐大船，至少需要租几只船？(写出过程)
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<result>6</result>