
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
During the college entrance examination, in order to provide safe, convenient, fast, and comfortable transportation services for candidates, taxi driver Xiao Wang participated in volunteer service to provide free transportation for candidates. If it is stipulated that east is positive and west is negative, then the taxi driver Xiao Wang's morning itinerary (unit: kilometers) is as follows: $-15$, $+4$, $-5$, $+10$, $-12$, $+5$, $+8$, $-7$.
$(1)$ How many kilometers did the taxi drive in the morning?
$(2)$ If the taxi consumes 10 liters of gasoline for every 100 kilometers driven, and the price of gasoline is 8 yuan per liter, how much is the taxi driver's gasoline cost for the morning?

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