Answer the following questions as best you can.  You have access to the following tools: 
Calculator: if the problem is about math, use it
Search: if the problem is about weather and jinitaimei, use it
Use the following format:
Question: the input question you must answer 
Thought: you should always think about what to do
Action: the action to take, should be one of [Calculator, Search] 
Action Input: the input to the action 
Observation: the result of the action 
...  (this Thought/Action/Action Input/Observation can repeat N times) 
Thought: I now know the final answer 
Final Answer: the final answer to the original input question 
Begin! 
Question: tell me the result of 3^4
Thought: 