CC Ādi 5.97

brahmāṇḍa-pramāṇa pañcāśat-koṭi-yojana
āyāma, vistāra, dui haya eka sama
Word for word: 
brahmāṇḍa-pramāṇa — measurement of the universe; pañcāśat — fifty; koṭi — ten millions; yojana — lengths of eight miles; āyāma — length; vistāra — breadth; dui — both of them; haya — are; eka sama — one and the same.
Translation: 
The universe measures five hundred million yojanas. Its length and breadth are one and the same.