Wrong report of number of folder and file size

[joee]

I get the following in my web page "48 folders, 79 files - Total: 330.93 MB". But my actual number of folders are 120 and 1421 files, total 9.48GB. Why there is a great different that HFS report wrong?
Please help.

[joee]

Just ignore my wrong question. I found that the number only calculate the current folder but not include the sub-folder.