Three and four hundred twelve thousandths
I would assume The Enlightenment since it led to many new modern forms of literature.
It should read COMPLIMENTARY ADMISSION FOR TEACHERS AND STUDENTS in other words it means that for teachers and students admission is free or "compliments of the house" as the saying goes. Complementary means on the contrary that the teachers and students complement or support each other.
Roberto wished he could be brave like Tío Pedro.
Tío Pedro strummed his guitar for the aunts in the living room.
The guitar filled the air with music.