Valmiki Ramayana Ayodhya Kanda Sarga 34 Shloka 13

अथ thereafter, धृतव्रताः faithful to their vows, ताम्रलोचनाः women with copperred eyes, ताः those, अर्धसप्तशताः half of seven hundred (three hundred and fifty), प्रमदाः women, कौशल्याम् to Kausalya, परिवार्य surrounding, शनैः slowly, जग्मुः reached.

Thereafter, Kausalya surrounded by three hundred and fifty ladies who were faithful to their vows, reached there slowly with their eyes turned copperred (in grief).