
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
There is an arithmetic sequence \( a_{1}, a_{2}, \cdots, a_{19} \) with 19 terms. Given that \( a_{1} + a_{7} + a_{14} + a_{18} = 120 \), find the sum \( a_{1} + a_{2} + a_{3} + \cdots + a_{19} \).

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