In the video, a person is writing on a piece of paper with a pen. The person is writing a math problem and solving it. The person writes down the numbers and the steps to solve the problem. The person's hand is visible, and the pen is moving as they write. The paper is white, and the pen is black. The person is writing in a clear and legible manner. The video is shot in a close-up shot, focusing on the person's hand and the paper.