Task: Question Answering
Input (English): Passage: The Cardinals began their 2008 campaign on the road against their NFC West rival, the San Francisco 49ers. In the first quarter, Arizona took flight as kicker Neil Rackers got a 25-yard field goal. The 49ers responded with RB Frank Gore's 41-yard TD run. In the second quarter, the Cardinals responded with QB Kurt Warner completing a one-yard TD pass to WR Larry Fitzgerald, yet San Francisco tied the game with kicker Joe Nedney getting a 39-yard field goal. In the third quarter, the Cardinals began to soar as Rackers got a 31-yard field goal, along with rookie RB Tim Hightower getting a two-yard TD run. In the fourth quarter, the 49ers tried to respond with Nedney getting a 30-yard field goal. Afterwards, Rackers' 30-yard field goal sealed the victory for Arizona. 
Question: How many yards longer was Neil Rackers's second field goal compared to his first? 
Answer type: Number 
Output (English): 6.