
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 had to cover 300 km. After traveling 212 km at a certain speed, it then reduced its speed by 50 km/h. As a result, the train arrived 40 minutes later than the scheduled time. Find the original speed of the train. Provide the answer in km/h.

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