question: How many more yards in field goals were there compared to yards in touchdowns in the first half?
#1 return field goals 
#2 return #1 in   the  first half 
#3 return yards  of #2 
#4 return sum of #3 
#5 return touchdowns 
#6 return #5 in   the  first half 
#7 return yards  of #6 
#8 return sum of #7 
#9 return difference of #4 and  #8