The following error is displayed during installation of the database if the prerequisite bc package is not installed:

Step 1 of 9 : Database ...
Installing Database ...
Retrieving Oracle Database 11g XE ...
Installing Oracle Database 11g XE ...
Configuring Oracle Database 11g XE ...
Failed to configure Oracle Database 11g XE
            
[...]

Starting Oracle Net Listener...Done
Configuring database...
Database Configuration failed.  Look into /u01/app/oracle/product/11.2.0/xe/config/log for details

Workaround: Install the bc package. For information on how to install bc, see Section 3.3.2.5, “Prerequisite Packages”.