Valmiki Ramayana 3.26.35

चतुर्दश सहस्राणि रक्षसाम् भीम कर्मणाम् ।हतानि एकेन रामेण मानुषेण पदातिना॥

caturdaśa sahasrāṇi rakṣasām bhīma karmaṇām |hatāni ekena rāmeṇa mānuṣeṇa padātinā ||

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