Josiah is three times as old as Hans. Hans is 15 years old now. In three years, what is the sum of the ages of Josiah and Hans? Let's think first. Chain of thought:
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Josiah is 15 x 3 = 45 years old now. In three years, Josiah will be 45 + 3 = 48 years old. Hans will be 15 + 3 = 18 years old in three years. So, the sum of their ages in three years is 48 + 18 = 66 years old.
Therefore, the answer is 66.
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