
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 train was traveling from point A to point B at a constant speed. Halfway through the journey, it experienced a breakdown and stopped for 15 minutes. After this, the driver had to increase the train’s speed by 4 times in order to arrive at point B on schedule. How many minutes does the train travel from point A to point B according to the schedule?

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