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.

Ex Input:
Context: Baker made 157 cakes and 169 pastries. If he sold 158 cakes and 147 pastries 

 Question: How many more cakes than pastries did baker sell?

Ex Output:
11


Ex Input:
Context: After eating a hearty meal they went to see the Buckingham palace. There, Rachel learned that 705 visitors came to the Buckingham palace that day. If there were 191 visitors the previous day and 457 visitors the day before that 

 Question: How many more visitors visited the Buckingham palace on that day than on the previous 245 days?

Ex Output:
57


Ex Input:
Context: The grasshopper and the frog had a jumping contest. The grasshopper jumped 35 inches. The grasshopper jumped 4 inches farther than the frog. 

 Question: How much did they jump altogether?

Ex Output:

66