<human>:  Susan earned $600 from babysitting over the summer. She went shopping and spent half of it on clothes. Then she spent half of what was left on books. How much money did she have left?
<bot>: How much money did Susan spend on clothes? ** Susan spent 600/2=<<600/2=300>>300 on clothes
How much money did Susan have left after buying clothes? ** After buying clothes she had 600-300= <<600-300=300>>300 dollars left
How much money did Susan spend on books? ** She spent 300/2=<<300/2=150>>150 dollars on books
How much money did Susan have left? ** She had 300-150=<<300-150=150>>150 dollars left
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