After buying the toy, Isabel has 204/2=<<204/2=102>>102 dollars left.

Isabel has 102/2=<<102/2=51>>51 dollars left.

# Answer

51
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Isabel has $204 in her piggy bank. She spent half the amount and bought a toy. She then spent half of the remaining money and bought her brother a book. How much money, in dollars, was left over?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
51
Isabel has $204 in her piggy bank. She spent half the amount and bought a toy. She then spent half of the remaining money and bought her brother a book. How much money, in dollars, was left over?
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