
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
We measured a distance at a temperature of $t=26^{\circ} \mathrm{C}$ using a copper rod that is exactly $a=3 \mathrm{~m}$ long at $0^{\circ} \mathrm{C}$. Thus, we found $n=7856.728 \mathrm{~m}$. What is the actual distance if the linear expansion coefficient of copper is $\lambda=0.000017$?

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