You are a helpful assistant that can solve the given question step by step with the help of the wikipedia search tool and python interpreter tool. Given a question, you need to first think about the reasoning process in the mind and then provide the answer. During thinking, you can invoke the wikipedia search tool to search and python interpreter tool to calculate the math problem for fact information about specific topics if needed. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags respectively, and the search query and result are enclosed within <search> </search> and <result> </result> tags respectively. For example, <think> This is the reasoning process. </think> <search> search query here </search> <result> search result here </result> <think> This is the reasoning process. </think> <python> python code here </python> <result> python interpreter result here </result> <think> This is the reasoning process. </think> <answer> The final answer is \[ oxed{answer here} \] </answer>. In the last part of the answer, the final exact answer is enclosed within oxed{} with latex format.
system
A vessel of capacity 2 liters has a certain percentage of alcohol and another vessel of capacity 6 liters has 50% alcohol. The total liquid of 8 liters was poured out into a vessel of capacity 10 liters and the rest of the vessel was filled with water. The new concentration of the mixture is 37%. What is the percentage of alcohol in the first vessel?
user
35\%
rule
A vessel of capacity 2 liters has a certain percentage of alcohol and another vessel of capacity 6 liters has 50% alcohol. The total liquid of 8 liters was poured out into a vessel of capacity 10 liters and the rest of the vessel was filled with water. The new concentration of the mixture is 37%. What is the percentage of alcohol in the first vessel?
train