
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
Eight posts are equally spaced along one side of a straight alley. The total distance from the first post to the fifth post is 100 meters. Calculate the distance from the first post to the last post.

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