
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
Vivian needs to shovel snow off a rectangular section of a park pathway that is 30 feet long and 4 feet wide. Initially, the snow was 1 foot deep across the entire pathway, but due to partial melting, the depth reduced to $\frac{1}{2}$ foot deep for half of the pathway's length. How many cubic feet of snow does Vivian need to shovel?

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