Part 1. Definition
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.
Part 2. Example
Context: Sam is 6 feet tall and Alex is 5 feet tall 

 Question: By how many feet is Sam taller than Alex? 
Answer: 1
Explanation:  Sam's height - Alex's height = 6-5 = 1
Part 3. Exercise
Context: Jessie weighed 114 kilograms. After she started to go jogging everyday she lost 50 kilograms in the first week and 60 kilograms in the second week. 

 Question: How much does she weigh now?
Answer:
4