Joan has 180 socks. Two thirds of the socks are white, and the rest of the socks are blue. How many blue socks does Joan have? Think carefully first, then make a decision:

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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Joan has (180 / 3) * 2 = 120 white socks. The number of blue socks Joan has is 180 - 120 = 60. So, the answer is 60.