
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
Emily sees a ship traveling at a constant speed along a straight section of a river. She walks parallel to the riverbank at a uniform rate that is faster than the ship. She counts 300 equal steps walking from the back of the ship to the front. Walking in the opposite direction, she counts 60 steps of the same size from the front of the ship to the back. Determine the length of the ship in terms of Emily's equal steps.

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