He saved money for 2 years, which is equal to 12 x 2 = <<12*2=24>>24 months.

The amount of money he saved is $25*24 = $<<25*24=600>>600.

But he spent some money so there is $600 - $400 = <<600-400=200>>200 left.

# Answer

200
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
John puts $25 in his piggy bank every month for 2 years to save up for a vacation. He had to spend $400 from his piggy bank savings last week to repair his car. How many dollars are left in his piggy bank?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
200
John puts $25 in his piggy bank every month for 2 years to save up for a vacation. He had to spend $400 from his piggy bank savings last week to repair his car. How many dollars are left in his piggy bank?
train