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.

Input: Consider Input: Context: Mary is baking a cake. The recipe calls for 12 cups of flour 14 cups of sugar and 7 cups of salt. She already put in 2 cups of flour. 

 Question: How many more cups of flour than cups of salt does she need to add now?

Output: 3


Input: Consider Input: Context: Winter is almost here and most animals are migrating to warmer countries. 27 bird families flew away for the winter from near a mountain. If there were 41 bird families living near the mountain initially 

 Question: How many bird families were left near the mountain?

Output: 14


Input: Consider Input: Context: Dave had 19 apps on his phone. He deleted 5 apps. 

 Question: How many apps are left on his phone?


Output: 14