﴿ فَعَقَرُوهَا فَقَالَ تَمَتَّعُوا۟ فِى دَارِكُمْ ثَلَٰثَةَ أَيَّامٍۢ ۖ ذَٰلِكَ وَعْدٌ غَيْرُ مَكْذُوبٍۢ ﴾

“But they cruelly slaughtered her. And thereupon [Salih] said: "[Only] for three days [more] shall you enjoy life in your homes: this is a judgment which will not be belied!"”

Please check ayah 11:68 for complete tafsir.