Fangfang wants to pack three boxes of biscuits into a cuboid bag, how many ways are there? If the length of each biscuit box is 25 cm, the width is 17 cm, and the height is 3 cm. Choose the most economical packaging solution, how much packaging paper is needed at least? (interface not counted)
芳芳想把三盒饼干包成一个长方体包，有多少种包法．若每个饼干盒的长是25厘米，宽是17厘米，高是3厘米．选最节省包装方案，最少需要多少包装纸？(接口处不计)
<result>3</result>