You can learn SAP FICO from consultants if you opt for SAP FICO training. But before that, you would like to understand several things regarding SAP FICO. Watch this video on SAP FICO to realize basic data regarding SAP FICO.
In this video, you may learn what's SAP FICO, what are the submodules of FI and CO, what are the advantages of SAP FICO, etc.
This video can essentially assist you to grasp SAP FICO from basics.