<|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
 During the National Day period, a shopping mall implemented a "Spend 100 get 20, continuous reward activity" to attract customers. This means for every 100 yuan spent, customers can receive a 20 yuan shopping voucher, which can be used as cash for further shopping. If you have 680 yuan in cash during the activity period and shop at this mall, what is the maximum total amount of shopping vouchers you can receive? Express your answer in yuan as a whole 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
160
During the National Day period, a shopping mall implemented a "Spend 100 get 20, continuous reward activity" to attract customers. This means for every 100 yuan spent, customers can receive a 20 yuan shopping voucher, which can be used as cash for further shopping. If you have 680 yuan in cash during the activity period and shop at this mall, what is the maximum total amount of shopping vouchers you can receive? Express your answer in yuan as a whole number.
test