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.
((75*5-25*3)/4-100))*100)
((75*5-25*3)/4-100))*100)
Natural Language
Math Input
Extended Keyboard