question: How many more men were there than women and children who departed from the port of Chemulpo, Incheon aboard the ship Ilford to Salina Cruz, Oaxaca, Mexico?
#1 return men 
#2 return women and  children 
#3 return #1 that departed from  the  port of Chemulpo ,  Incheon aboard the ship Ilford 
#4 return #3 to Salina Cruz ,  Oaxaca ,   Mexico 
#5 return #2 that departed from  the  port of Chemulpo ,  Incheon aboard the ship Ilford 
#6 return #5 to Salina Cruz ,  Oaxaca ,   Mexico 
#7 return number of  #4 
#8 return number of  #6 
#9 return the  difference of #7 and  #8