
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
It is known that a construction project can be completed by Team A alone in 40 days, and by Team B alone in 60 days. Now, Team A starts working on the project alone for 20 days, and then Teams A and B work together. How many days will it take for Teams A and B to complete the project together after the initial 20 days?

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