In week 7, the Lions hosted the Atlanta Falcons. The Lions took an early lead with a 43-yard field goal by Jason Hanson that came after a Falcons turnover. The Falcons tied it up with a field goal of their own, this one a 23-yarder by Matt Bryant. Atlanta took the lead with a 1-yard quarterback sneak by Matt Ryan. In the second quarter, Jason Hanson kicked another field goal, this time from 38 yards out. Atlanta scored the final points of the first half when Roddy White caught an 18-yard touchdown pass. After halftime, Jason Hanson kicked his third field goal, this one from 29 yards. Atlanta responded with a 47-yard field goal. Late in the third quarter, Detroit scored their only touchdown of the game, with a 57-yard catch and run by Calvin Johnson. The only points of the fourth quarter came a 40-yard Falcons field goal.

Answer this question based on the article: How many yards longer was Matt Bryant's longest field goal than Jason Hanson's longest field goal?
4