How did I waste 6 gb just on photos?

Ok So I have an Ipad mini 34 gb and I just checked the usage on it, and it said that I used 6.1 gb JUST on my photos and I don't even have many at all, only like 200 and on my Iphone I have 500 photos and Its only taken up 954 MB on it. Please Help I DON't KNOW WHAT's GOING ON

Added (1). Please OMG

Go to an apple store

Are you sure its just photos or is it the photos and the firmware also? That would make more sense.

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