The cost of the dolls is 3 × $1 = $<<3*1=3>>3.

Amy has $100 − $3 = $97 left.

# Answer

97
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Amy's grandfather gave her $100 for her birthday. Amy bought 3 dolls, each of which cost $1. How much money does Amy have left?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
97
Amy's grandfather gave her $100 for her birthday. Amy bought 3 dolls, each of which cost $1. How much money does Amy have left?
train