Put 64 balls into several boxes, and each box contains the same amount, just enough to fill. There are several ways to install, please write them out.
把64个球装进若干个盒子里，每个盒子里装的同样多，刚好装完．有哪几种装法，请写出来．
<gadget id="calculator">2 + 2 + 2 + 1</gadget>
<output>7</output>

<result>7</result>