1+1+1+1+1+1+1+1+1+1-1+1+1+1+1+1+1x0 =?

At first I was "I kno what 0x1 is, wtf is 1x0", but then I tried it in rhino and it does not compute xD

Silli frends they answer this with pseudorandomnumbers!

% sbcl
This is SBCL 1.0.48, an implementation of ANSI Common Lisp.
More information about SBCL is available at <http://www.sbcl.org/>;.

SBCL is free software, provided as is, with absolutely no warranty.
It is mostly in the public domain; some portions are provided under
BSD-style licenses.  See the CREDITS and COPYING files in the
distribution for more information.
* (* (+ (+ (+ (+ (+ (+ (- (+ (+ (+ (+ (+ (+ (+ (+ (+ 1 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 0)

0