Valmiki Ramayana Yuddha Kanda Sarga 27 Shloka 46
Original Shlokaगजोगवाक्षोगवयोनलोनीलश्चवानरः । एकैकएवयोधानांकोटीभिर्दशभिर्वृतः ।।6.27.46।।
1 source checked for this shloka
गजः Gaja, गवाक्षः Gavaksha, गवयः Gavaya, नीलः Nila, वानर: Vanara, एकैकएव: each one of them, यूधानाम् of the leaders, कोटिभिः even one crore, दशभि: ten, वृतः are surrounded.
"Gaja, Gavaksha, Gavaya, Nila each of these Vanara leaders have ten crores of army under them."