<human>:  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?
<bot>: How much money was left after Isabel bought the toy? ** After buying the toy, Isabel has 204/2=<<204/2=102>>102 dollars left.
How much money was left in the end? ** Isabel has 102/2=<<102/2=51>>51 dollars left.
#### 51