Valmiki Ramayana Yuddha Kanda Sarga 100 Shloka 16

तदा then, रावणस्य Ravana's, बाणौघैः shafts, रामविस्फारितेन stretched by Rama, तेन by that, शब्देन sound of twang, ते that, राक्षसाः Rakshasas, शतशः hundreds, पेतुः च fell

Then by Ravana's shafts and Sri Rama's stretching of the bow and sound of twang, Rakshasas fell in hundreds.