Valmiki Ramayana Yuddha Kanda Sarga 4 Shloka 24
Original Shlokaशतैः शतसहस्रैश्च कोटिभिश्चायुतैरपि । वारणाभैश्च हरिभिर्ययौ परिवृतस्तदा ।।6.4.24।।
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तदा then, वारणाभै protected by, शतैः hundreds, शतसहस्रैः hundred thousands, कोटिभिश्च even crores, अयुतैरपि a myriad, हरिभिः vanaras, परिवृतः ययौ surrounded by.
Protected by hundreds and thousands, even crores of vanaras and surrounded by a myriad of vanaras Rama went.