
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
Casey intended to multiply a number by $7$ but mistakenly divided the number by $7$. Instead of correctly adding $20$, Casey accidentally subtracted $20$. After making these mistakes, the outcome was $19$. Determine the result if Casey had conducted the correct operations originally.
A) less than 400
B) between 400 and 600
C) between 600 and 800
D) between 800 and 1000
E) greater than 1000

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