Output a stream of consciousness before answering the following. Passage: Google Drive offers users 15 gigabytes of free storage, with 100 gigabytes, 1 terabyte, 2 terabytes, 10 terabytes, 20 terabytes, and 30 terabytes offered through optional paid plans. Files uploaded can be up to 5 terabytes in size. Users can change privacy settings for individual files and folders, including enabling sharing with other users or making content public. On the website, users can search for an image by describing its visuals, and use natural language to find specific files, such as "find my budget spreadsheet from last December".

Question: Based on this passage, how much space is given on google drive?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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The important part for answering this question is: Google Drive offers users 15 gigabytes of free storage, with 100 gigabytes, 1 terabyte, 2 terabytes, 10 terabytes, 20 terabytes, and 30 terabytes offered through optional paid plans.
The answer: 15 gigabytes of free storage , with 100 gigabytes , 1 terabyte , 2 terabytes , 10 terabytes , 20 terabytes , and 30 terabytes offered through optional paid plans.