
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
The physical education teacher selects $40$ students from the seventh grade to participate in the school-wide fitness exercise competition. The maximum height of these students is $175$ cm, and the minimum height is $155$ cm. If the interval is $3$ cm, then they can be divided into ______ groups.

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