
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
A patrolman is patrolling and maintaining a railway line running east to west. At $1:00$ in the afternoon, he set off from station $A$ and his journey was as follows (unit: $km$, east is denoted as "$+$" and west as "$-$"): $-5.4$, $+3.2$, $-3.6$.
$(1)$ At this time, in which direction is he from station $A$ and how far is he from station $A$?
$(2)$ How far has he traveled in total at this point?
$(3)$ Assuming the patrolman walks at a constant speed of $6 km$ per hour.
① Afterward, the patrolman returns to station $A$. At what time in the afternoon does he return to station $A?
② Given that station $B$ is located to the west of station $A$ and is $30 km$ away. At $2:18$ in the afternoon, a high-speed train departing from station $B passes by the patrolman. If the high-speed train travels at a speed of $180 km$ per hour, find the time when the high-speed train departed from station $B.

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