I am not sure if its possible. So please bid only if you have read the requirement and you can do it.
We have a website in which we have form and calculator. User enters the data in form and we calculate the result for him.
Now what we want is that we want to implement same form in Facebook. User will enter the data in facebook form and submit, then this data will be sent to our website and our webpage result will appear.
Look at website form - [login to view URL]