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.
0.6 800 6 / ((45 10^-3)^3 12 10^9 )
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random