You are given a math word problem and you are supposed to only use subtraction on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

[Q]: Context: Jesse's room is 19 feet wide and 20 feet long. 

 Question: How much longer is her room than it is wide?
[A]: 1


[Q]: Context: Nell collects baseball cards. She had 242 cards. She gave 136 of her cards to Jeff. 

 Question: How many cards does Nell have left?
[A]: 106


[Q]: Context: Because of the decision Sofia asked the students to suggest specific types of food. If 479 students suggested adding mashed potatoes while 489 suggested adding bacon to the menu 

 Question: How many more students suggested bacon than those that suggested mashed potatoes?
[A]:
10