You are given a math word problem and you are supposed to apply an addition mathematical operator on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Q: Context: Baker made 121 cakes. He sold 105 of them and bought 170 new cakes. 

 Question: How many cakes does baker still have?

A: 186
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Q: Context: Robin has 43 packages of gum. There are 23 pieces in each package. Robin has 8 extra pieces of gum. 

 Question: How many pieces of gum does Robin have?

A: 997
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Q: Context: Dan has $ 4. He bought a candy bar for $ 8. Then his friend have him $ 5 

 Question: How much money is left?

A:
1
****