"Hm," is Law's verbose response to that — though in fact he finds the information quite interesting.

Absently, he picks up one of the slices of bacon, and starts eating it.

"I'll keep that in mind." Though really... "Soldat" is about as short as it can get, and he tends to nickname people with short names, if anything. Metal-ya he might have become, if not for the fact that Law has some quiet appreciation for his considerate behavior.