question: How many yards longer was Ben Roethlisberger's longest touchdown pass than Matt Schaub's longest touchdown pass?
#1 return Ben Roethlisberger 
#2 return Matt Schaub 
#3 return touchdown passes of #1 
#4 return touchdown passes of #2 
#5 return yards of #3 
#6 return yards of #4 
#7 return longest of #5 
#8 return longest of #6 
#9 return difference of #7 and  #8