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? Let's think step by step and output the final answer after "####".
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After buying the toy, Isabel has 204/2=<<204/2=102>>102 dollars left.
Isabel has 102/2=<<102/2=51>>51 dollars left.
#### 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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