en_tn_condensed/2ch/09/27.md

as much as the stones on the ground

This is an exaggeration to emphasize that there was such a great amount of silver. (See: rc://en/ta/man/translate/figs-hyperbole)

They brought horses for Solomon from Egypt and from all the lands

The word "they" may refer to Solomon's merchants. However this sentence is not about what the merchants did, but about where Solomon's horses came from. AT: "Horses were brought to Solomon from Egypt and from all the lands" or "Solomon's horses were from Egypt and all the lands"

from all the lands

The word "all" is a generalization. AT: "from many other places" or "from many other countries" (See: rc://en/ta/man/translate/figs-hyperbole)