Mahabharata 14.57.29

इतो हि नागलोको वै योजनानि सहस्रशःन दण्डकाष्ठसाध्यं च मन्ये कार्यमिदं तव

ito hi nāgaloko vai yojanāni sahasraśaḥna daṇḍakāṣṭhasādhyaṃ ca manye kāryamidaṃ tava

Our plain-language meaning of this verse is waiting for scholar review.