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.

Context: For the walls of the house he would use 13 large planks of wood. If each plank of wood needs 17 pieces of nails to be secured and in addition 8 nails are needed for some smaller planks.

Question: How many nails does John need for the house wall?
229