context: The university is located to the northwest of Tangail's Sadar Upazila in memory of Maulana Bhasani. The campus size is approximately 1 acre (21.5 sqm). Inside this place five faculties of the University, administrative buildings, five residential student halls, central library, playgrounds etc. are located. There are several other institutions within the campus affiliated space, under the direct supervision of Maulana Bhasani, under the direct supervision of Maulana Bhasani, Pir Shah Zaman Dighi, the shrine of Maulana Bhasani, a mosque under the renowned Sufi saint Pir Shah Zaman.
question: What is the total size of Maulana Bhasani University of Science and Technology?