Al-Kahf 18:25

وَلَبِثُوا۟ فِى كَهْفِهِمْ ثَلَـٰثَ مِا۟ئَةٍ سِنِينَ وَٱزْدَادُوا۟ تِسْعًا

Walabithoo fee kahfihim thalathami-atin sineena wazdadoo tisAAa

And they remained in their cave for three hundred years and exceeded by nine.

They stayed in their Cave for three hundred years and added nine.