Request to change arithmetical_puzzles prompting

[ArcticBeat05]

Describe the feature or improvement you're requesting

arithmetical_puzzles prompts does not allow proper reasoning The following is added at the end of every prompt..."Do not give any reasoning or logic for your answer."

In a previous PR, usama-openai requested to change the prompting of eval math_for_5th-grader to add better prompting to allow the LLM to reason.

#1293 (review)

Request to change the prompt for arithmetical_puzzles as well.

Additional context

No response