The back wheel has double the spokes the front wheel has, which means the back wheel has 20*2=<<20*2=40>>40 spokes.

In total, the bicycle has 20+40=<<20+40=60>>60 spokes.

# Answer

60
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
An unusual bicycle has 20 spokes on the front wheel and twice as many spokes on the back wheel. How many spokes does the bicycle have?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
60
An unusual bicycle has 20 spokes on the front wheel and twice as many spokes on the back wheel. How many spokes does the bicycle have?
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