The fifth grade students will plant trees on Arbor Day. When they are divided into groups, they can be divided into groups of 4, 5, and 6. It is known that there are no more than 70 people in the fifth grade, so how many people are there at most in the fifth grade?
五年级同学在植树节这一天去植树，分组时，按4人一组，5人一组，6人一组都刚好可以分完．已知五年级的人数不超过70人，那么五年级最多有多少人？
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<result>60</result>