<|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
 By how much is the sum of the squares of the first one hundred even numbers greater than the sum of the squares of the first one hundred odd numbers? 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
20100
By how much is the sum of the squares of the first one hundred even numbers greater than the sum of the squares of the first one hundred odd numbers?
test