The bakery has baked 36 loaves of bread. There are two kinds of bags for packaging, one can hold 4 loaves in each bag, and the other can hold 6 loaves in each bag, and these loaves should be filled exactly. How many packaging options are there? Express it in the way you like.
面包店烘烤了36个面包，有两种包装袋可用来包装，一种每袋可装4个面包，另一种每袋可装6个面包，要把这些面包正好装完．有几种包装方案？用自己喜欢的方式表示出来．
<result>4</result>