Padmapurana 6.120.10

Padmapurāṇa 6.120.10

kāśyāṃdaśaguṇaṃproktaṃveṇyāṃśataguṇaṃbhavet
sahasraguṇitaṃproktaṃgaṃgāsāgarasaṃgame