Read the text and answer the question. 'In Japan, students often participate in 'bukatsu' (club activities) after school, which are an integral part of their school life. These clubs range from sports to cultural activities like calligraphy or tea ceremony, fostering teamwork and discipline. In contrast, many European schools focus more on academic studies during school hours, with extracurriculars often organized outside the school system.' What is a key difference between Japanese and European school life mentioned in the text?
A) Japanese students don't have academic studies.