Answer based on context:

The Eagles' eighth game was an Interconference duel with the Colts at home. In the first quarter the Eagles Took the lead as QB Michael Vick completed a 9-yard TD pass to WR DeSean Jackson. This was followed by kicker David Akers' 22- and 21-yard field goals. The Colts replied with QB Peyton Manning completing a 3-yard TD pass to TE Jacob Tamme. The Eagles extended their lead after Akers nailed a 31-yard field goal. They eventually trailed by 1 point after RB Javarris James got a 6-yard TD run, followed by kicker Adam Vinatieri making a 37-yard field goal. The Eagles got the lead back in the 3rd quarter after Akers got a 44-yard field goal, followed by Vick scrambling a yard to the endzone for a touchdown. The Colts narrowed the lead when James got a 1-yard TD run, but in the final minute Manning lofted a deep pass that was intercepted by Asante Samuel. With the close win, the Eagles improved to 5-3.  It was also the first win over the Colts for the Eagles since the 1993 season.

How many more total yards of field goals did David Akers make than Adam Vinatieri?
81