Ключевые слова: abacus, book, boy, calculus, caucasian, child, childhood, children, class, cute, desk, education, exam, glasses, happy, home, homework, kid, kids, knowledge, learning, male, math, millennial, nerd, notebook, pen, pencil, person, pupil, school, schoolboy, scientist, sitting, student, study, studying, table, teenager, textbook, white, writing, young,