It's from Phusion[1], which is headquartered in the Netherlands. Non-English Europe conventionally uses . as a digit separator, so 60.000 would be sixty thousand.
[1]:
% ping rubyraptor.org
PING rubyraptor.org (97.107.130.55) 56(84) bytes of data.
64 bytes from shell.phusion.nl (97.107.130.55): icmp_seq=1 ttl=50 time=98.3 ms
I was thinking the same thing. 60 reqs/sec is not very fast. I suppose it depends on what is being tested. "Hello World" is pretty useless to base a benchmark on as DB and other IO is not involved. Who knows what that number means without some source code it was benchmarking.
[1]: % ping rubyraptor.org PING rubyraptor.org (97.107.130.55) 56(84) bytes of data. 64 bytes from shell.phusion.nl (97.107.130.55): icmp_seq=1 ttl=50 time=98.3 ms