Adeli receives a large order for sandwiches for a company picnic. the company wants one club sandwich and two regular sandwiches for each person. the company also wants an extra dagwood sandwich. a club sandwich has $3$ slices of bread. a regular sandwich has $2$ slices. a dagwood has $5$ slices.

if there are $n$ people going to the company picnic, how many slices of bread does the deli need to make this order? write your answer as a fully simplified expression. your answer should have the variable $n$ in it exactly once.