I am trying to put in my mileage for work (I travel between 4 different locations on a regular basis during the day) and I am just trying to make sense of the options.

When I get to the screen it wants to know total miles traveled (including personal use I assume), then miles for my job, then miles for commuting (I assume the amount to get to and from the first location I drive to during the day and back home), and then the average daily commute (again I assume this is the amount for round trip distance from the first location to my house).  So say I drove 8000 total, my commute is 12 round trip, and comes out to 2160 in a year, and my "job" (non cummute) miles are 1858.  On the second line do I put 1858 or do I put 4018 (1858 + 2160)?  I just don't want to mess up.  And all these numbers are made up btw.  Thanks!