SHOULD THIS MAKE US FEEL BETTER OR WORSE?

The article presents an assumption signifying that modern humans were some 92,000 years old. In a lecture, according to a professor, it has been declared that the world will certainly expire in 7 billion years. However, a student felt agitated and requested the professor to repeat what he has said. When the professor complied, the student has proven that he heard it wrong, because he was thinking that it was 7 million years.