Valmiki Ramayana 3.32.1
ततः शूर्पणखा दृष्ट्वा सहस्राणि चतुर्दश ।हतानि एकेन रामेण रक्षसाम् भीम कर्मणाम्॥
tataḥ śūrpaṇakhā dṛṣṭvā sahasrāṇi caturdaśa |hatāni ekena rāmeṇa rakṣasām bhīma karmaṇām ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book