Task: Question Decomposition
Input (English): question: By how many million dollars did the abductors raise the ransom after they killed Ridsdel?
Output (English): #1 return the  abductors 
#2 return ransoms in  millions of dollars of  #1 
#3 return #2 after they killed Ridsdel 
#4 return the  difference of #3 and  #2