With Saṅgārava 2.7

2.7

Iti ayañceva satthā dhammaṃ deseti, pare ca tathatthāya paṭipajjanti, tāni kho pana honti anekānipi satāni anekānipi sahassāni anekānipi satasahassāni.

So the Teacher teaches Dhamma, and others practice accordingly, in their hundreds and thousands, and hundreds of thousands.