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.
((9*7*10^7*2*10^5)^(1/4)*(8*28.20*122500000+(9*7*10^7*2*10^5)^(1/2))^(1/2)+(9*7*10^7*2*10^5)^(1/2))/(2*122500000)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random