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.
Input: Context: There were 16 roses and 3 orchids in the vase. Jessica cut some more roses and orchids from her flower garden. There are now 7 orchids and 13 roses in the vase. 

 Question: How many orchids did she cut?
Output:
4