
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
In a certain city, the monthly gas fee is charged as follows: if the gas usage does not exceed 60 cubic meters, the charge is 1 yuan per cubic meter. If the usage exceeds 60 cubic meters, the excess part is charged at 1.5 yuan per cubic meter. It is known that in December, the average cost per cubic meter for a user was 1.2 yuan. How many cubic meters of gas did the user consume in December?

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