Pṛthivy-Āyāma-Vistara (Extent of the Earth) and Jambūdvīpa–Navavarṣa Description
अष्टाभिरधिकानि स्युस्त्र्यस्रे मानं प्रकीर्त्तितम् / चतुरस्रेण मानेन परिणाहः समन्ततः
aṣṭābhiradhikāni syustryasre mānaṃ prakīrttitam / caturasreṇa mānena pariṇāhaḥ samantataḥ
The measure of the tri-angled form is proclaimed as eight more; and by the measure of the four-sided form, its circumference is set all around.