IPhone 5c gigabyte problem?

Okay so I bought an 8 gigabyte iPhone 5c and I've only used this much: 403 Mb,984 Mb,253 Mb,203 mb,133 mb, 59.1 mb, 54.2 Mb and it says I have used 4.6 gb, also it says I have 827 mg. Available.

This is the Desktop computers category. Try posting in the Consumer Electronics>Cell Phones & Plans category.