养老院爷爷解高中题目走红
These days, many people watched a short video online. In the video, an old grandpa helped a student with a physics problem.
The video was taken by Xiao Ren. He works in a nursing home in Henan. A cook’s son needed help with his physics homework. Xiao Ren was busy, so he asked Grandpa to help the student. Grandpa is 79 years old. He was a teacher before. He solved the problem and explained it very well. The student was happy.