"Talking about a materialistic thing, I get about 13 times more royalties from Europe than I do from America"

This quote by Elliott Carter is referring to the royalties he receives from his music. It is likely that he is describing the royalties he gets from the sale of his music in Europe and America. The quote suggests that he receives considerably more royalties from Europe than he does from America. This might be due to a variety of elements, such as the appeal of his music in Europe, the size of the music market in Europe, or the different royalty rates in Europe and America. It is also possible that the quote is describing the royalties he gets from performances of his music in Europe and America. Whatever the case, it is clear that Elliott Carter is receiving more royalties from Europe than he is from America.