'Sixty' in the Bible

Ben-Geber [was] in Ramoth-Gilead; the villages of Jair, the son of Manasseh which are in the Gilead [were] his, and the region of Argob which [is] in the Bashan, sixty great cities, with walls [having] crossbars of bronze, [were] his.

The food of Solomon for one day was thirty dry measures of choice meal and sixty dry measures of flour;

Now the house that King Solomon built for Yahweh [was] sixty cubits [in] its length and twenty cubits [in] its width and thirty cubits [in] its height.