([300 + 9]*)
They stayed in their cave three hundred years, increased by nine.*
وَلَبِثوا فى كَهفِهِم ثَلٰثَ مِا۟ئَةٍ سِنينَ وَازدادوا تِسعًا
wa labisoo fee kahfihim salaasa mi’atin sineena wazdaadoo tis’aa
*18:25 The difference between 300 solar years and 300 lunar years is nine years. Thus, discovering the end of the world was predetermined by the Almighty to take place in AD 1980 (1400 AH), 300 years (309 lunar years) before the end of the world (see 72:27 and Appendix 25).