<|im_start|>system
You are a helpful assistant. You first think about the reasoning process in the mind and then provide the user with the answer. You should try to truely solve the question by yourself without cheating.  <|im_end|>
<|im_start|>user
 The school arranges for 4 teachers to be on duty over six days, with only one teacher scheduled per day. Each person is scheduled for at least one day and at most two days, and these two days must be consecutive. How many different scheduling methods are there? (Answer with a number) Show your work in <think> </think> tags. And return the final answer in <answer> </answer> tags.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>
user
144
The school arranges for 4 teachers to be on duty over six days, with only one teacher scheduled per day. Each person is scheduled for at least one day and at most two days, and these two days must be consecutive. How many different scheduling methods are there? (Answer with a number)
test