{{0,0,1},{0,0,0},{0,1,0}} * {{0, 0, 0},{0,0,2}, {1,0,0}} - {{0, 0, 0},{0,0,2}, {1,0,0}} * {{0,0,1},{0,0,0},{0,1,0}}

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.