Ramayana
एषांकोटिसहस्राणिनवपञ्चचसप्तच । तथाशङ्खुसहस्राणितथाबृन्दशतानिच ॥ ६-२८-४
"These Vanaras are nine, five and seven thousand crores in number. They are in many thousands of Sankhas and Vrindas. (A Sankha is equal to lakh of crores, A vrinda is equal to a lakh of Maha Sankhus). ॥ 6-28-4॥
english translation
eSAMkoTisahasrANinavapaJcacasaptaca । tathAzaGkhusahasrANitathAbRndazatAnica ॥ 6-28-4
hk transliteration by Sanscript