a man standing in front of a book with math symbols around him

Prompt 1: a man dressed in a suit and tie who is seen reading a book while standing in front of a wall. the man then proceeds to write on a piece of paper.

Prompt 2: a man wearing a suit and tie, who is seen reading a book and using a calculator. he is also seen holding a piece of paper and a book in front of a wall. also includes a man holding a book with a calculator and a man holding a book with a calculator and a clock. ends with a man holding a book with a calculator and a clock.