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: Baker made 170 cakes. He sold 78 of them and bought 31 new cakes. 

 Question: How many more cakes did baker sell than those he bought?

Output: 47


Input: Consider Input: Context: Jessica cut some roses from her flower garden to put in her vase. There are now 19 roses in the vase. If there were 3 roses in the vase initially 

 Question: How many roses did she cut?

Output: 16


Input: Consider Input: Context: There were 7 roses in the vase. Jessica cut some more roses from her flower garden which had a total of 59 roses. There are now 20 roses in the vase. 

 Question: How many roses did she cut?


Output: 13