600/3=<<600/3=200>>200$ for gas

After buying gas, Darwin has 600-200=<<600-200=400>>400$ left

400/4=<<400/4=100>>100$ on food

Darwin has 400-100=<<400-100=300>>300$ left

# Answer

300
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Darwin has 600$. He spent 1/3 of it on gas for his car, and 1/4 of what was left on food. How much money did he have left?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
300
Darwin has 600$. He spent 1/3 of it on gas for his car, and 1/4 of what was left on food. How much money did he have left?
train