Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
2/3*7/11*6/10+2/3*7/10*4/11+2/3*4/11*7/10+1/3*8/11*7/10
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random