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?
Equation: ( ( 13.0 * 17.0 ) + 8.0 )
Answer: 229 (Addition)