Valmiki Ramayana 6.73.70

इत्यार्षे श्रीमद्रामायणे वाल्मीकीये आदिकाव्ये श्रीमद्युद्धकाण्डे त्रिसप्ततितमः सर्गः॥

ityārṣe śrīmadrāmāyaṇe vālmīkīye ādikāvye śrīmadyuddhakāṇḍe trisaptatitamaḥ sargaḥ ||

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