
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
Anish has a number of small congruent square tiles. When he forms the tiles into a square of side \( n \), he has 64 tiles left over. When he attempts to form the tiles into a square of side \( n+1 \), he is 25 tiles short. How many tiles does Anish have?
A 89
B 1935
C 1980
D 2000
E 2019

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