
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Dad gives Xiaojun the same amount of pocket money every day. Xiaojun originally had some amount of money. If he spends 10 yuan every day, he can last for 6 days; if he spends 15 yuan every day, he can last for 3 days. How much money did Xiaojun originally have?

Present the answer in LaTex format: \boxed{Your answer}
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