What is the background of Huang Zheng in the fourth season of "The Biggest Brain"?

Huang Zheng, a ninth-grade student from Daejeon No. 5 Middle School, whose parents worked early and late to run a small shop, had no time to take care of him, but this made Huang Zheng extremely independent. Because of his average family background, Huang Zheng has never participated in any cram school except for learning calligraphy since the first grade of elementary school and persisting in it.

Because Huang Zheng particularly likes science, his father Huang Xingyang, who loves literature, is worried that his grades in liberal arts will one day drop. Teacher Chen Changji doesn’t think so. He said that even the teacher has forgotten the pronunciation of some rare words over time, but Huang Zheng can remember them clearly and can tell in which class they appeared.

Huang Zheng has been doing homework consciously since he was a child. He completes it quickly, is relatively independent, and is persistent in his work. He dislikes the additional homework assigned to him by his parents. "When I took him shopping in kindergarten, he was particularly interested in some advertising slogans on storefronts. When faced with some unknown areas, he always asked about this and that." Mother Guo Fenghua said proudly.

Huang Zheng is short-sighted, reaching 300 degrees, and discovered that he has super recognition ability purely by chance. When I was in the fifth grade of elementary school, math teacher Chen Juxiang recommended to her classmates to watch Jiangsu Satellite TV's "The Most Powerful Brain" program. At home, Guo Fenghua watched the show with her children. One day, Huang Zheng told her mother that he could also do the challenging projects in the show. Guo Fenghua didn't believe it: "Those "The Most Powerful Brains" are simply unbelievable. How could it be possible for my ordinary children?"

This pair of wise eyes is purely born. Huang Xingyang believes that Huang Zheng is underage and still a child. There is still a long way to go in the future. One success does not mean that the child's life is perfect. Everything that happens to the child must be faced calmly. The family received another notice inviting Huang Zheng to participate in the recording of the program. Since it was during the final exam, Huang Xingyang refused, and the program team postponed the recording until after the start of the next semester.