
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
Let the even function $f(x)$ satisfy $f(x) + f(x+1) = 4$ for any $x \in \mathbb{R}$. When $x \in [-3, -2]$, $f(x) = 4x + 12$. Determine the value of $f(112.5)$.

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