
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
Xiaogang is in Class 1 of Grade 8, which has formed an amateur football team. Xiaogang's good friend Xiaoming asked him about his jersey number. Xiaogang said, "If we set my number as $x$, then the sum of all our team members' numbers minus my number equals exactly 100. Our team members' numbers start from 1, without any skips or repeats." Please calculate Xiaogang's number and the total number of people in their team.

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