I didnt clearly understand quotient and remainder. Any one clear me

Question

the title is not clearly explained . I think

Answer 1

This is simple maths
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.khanacademy.org/computing/computer-science/cryptography/modarithmetic/a/the-quotient-remainder-theorem&ved=2ahUKEwievoSj_PXjAhUWOisKHYFNASIQjjgwDnoECAEQAQ&usg=AOvVaw3YT8aGRJvjfLF_4izGu-QH

Answer 2

thanks