
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
During the "Golden Week" of the National Day holiday, the number of people traveling from a city changed as shown in the table below (positive numbers indicate more people than the previous day, negative numbers indicate fewer people than the previous day):

| Date | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th |
|------|-----|-----|-----|-----|-----|-----|-----|
| Change in Number of People (in 10,000s) | +1.6 | +0.8 | +0.4 | -0.4 | -0.8 | +0.2 | -1.2 |

If the number of people traveling on September 30th is denoted as $a$, please express the total number of people traveling from the city during the "Golden Week" of the National Day holiday using an algebraic expression containing the variable $a$: ______.

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