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.
((4/52 * 3/51 * 2/50 * 1/49)^2)
((4/52 * 3/51 * 2/50 * 1/49)^2)
Natural Language
Math Input
Extended Keyboard