Scanning, OCR and adding the scanned numbers

I need to scan hundreds of pages with numbers written on them in the bottom right corner. Post scan - I need a OCR software to recognize the number written at the bottom right corner of each page and sum them in the end. So far I could scan pages and using OCR in Adobe acrobat, I could identify the hand marked numbers in the pages. Is there a mechanism or any other OCR software that would pass the values to programs like MS Excel. I tried various OCR programs like Neurograph (opensource) and trial version of other OCR softwares but could not link them directly to scanned files. They have the a

Question by Prasanna on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.