Answer based on context:

After a fine performance on Thanksgiving Day against the Lions, the Dolphins returned home for a Week 13 got off to a good start when QB Joey Harrington completed a 17-yard TD pass to WR Marty Booker.  The Jaguars responded with kicker Josh Scobee's 48-yard field goal.  In the second quarter, things started looking grim for Miami as QB David Garrard completed two TD passes to WR Matt Jones (for 15 yards) and TE George Wrighster (for 16 yards).  After a scoreless third quarter, Jacksonville continued its dominance with RB Maurice Jones-Drew getting a 32-yard TD run.  The Dolphins' only response was kicker Olindo Mare getting a 42-yard field goal.  With the loss, the Dolphins fell to 5-7.

How many more yards was the first field goal than the last?
6