{"pre_text": ["sales volumes in 2013 increased from 2012 , primarily for fluff pulp , reflecting improved market demand and a change in our product mix with a full year of fluff pulp production at our franklin , virginia mill .", "average sales price realizations were lower for fluff pulp while prices for market pulp increased .", "input costs for wood , fuels and chemicals were higher .", "mill operating costs were significantly lower largely due to the absence of costs associated with the start-up of the franklin mill in 2012 .", "planned maintenance downtime costs were higher .", "in the first quarter of 2014 , sales volumes are expected to be slightly lower compared with the fourth quarter of 2013 .", "average sales price realizations are expected to improve , reflecting the further realization of previously announced sales price increases for softwood pulp and fluff pulp .", "input costs should be flat .", "planned maintenance downtime costs should be about $ 11 million higher than in the fourth quarter of 2013 .", "operating profits will also be negatively impacted by the severe winter weather in the first quarter of 2014 .", "consumer packaging demand and pricing for consumer packaging products correlate closely with consumer spending and general economic activity .", "in addition to prices and volumes , major factors affecting the profitability of consumer packaging are raw material and energy costs , freight costs , manufacturing efficiency and product mix .", "consumer packaging net sales in 2013 increased 8% ( 8 % ) from 2012 , but decreased 7% ( 7 % ) from 2011 .", "operating profits decreased 40% ( 40 % ) from 2012 and 1% ( 1 % ) from 2011 .", "net sales and operating profits include the shorewood business in 2011 .", "excluding costs associated with the permanent shutdown of a paper machine at our augusta , georgia mill and costs associated with the sale of the shorewood business , 2013 operating profits were 22% ( 22 % ) lower than in 2012 , and 43% ( 43 % ) lower than in 2011 .", "benefits from higher sales volumes ( $ 45 million ) were offset by lower average sales price realizations and an unfavorable mix ( $ 50 million ) , higher operating costs including incremental costs resulting from the shutdown of a paper machine at our augusta , georgia mill ( $ 46 million ) and higher input costs ( $ 6 million ) .", "in addition , operating profits in 2013 included restructuring costs of $ 45 million related to the permanent shutdown of a paper machine at our augusta , georgia mill and $ 2 million of costs associated with the sale of the shorewood business .", "operating profits in 2012 included a gain of $ 3 million related to the sale of the shorewood business , while operating profits in 2011 included a $ 129 million fixed asset impairment charge for the north american shorewood business and $ 72 million for other charges associated with the sale of the shorewood business .", "consumer packaging ."], "post_text": ["north american consumer packaging net sales were $ 2.0 billion in 2013 compared with $ 2.0 billion in 2012 and $ 2.5 billion in 2011 .", "operating profits were $ 63 million ( $ 110 million excluding paper machine shutdown costs and costs related to the sale of the shorewood business ) in 2013 compared with $ 165 million ( $ 162 million excluding charges associated with the sale of the shorewood business ) in 2012 and $ 35 million ( $ 236 million excluding asset impairment charges and other costs associated with the sale of the shorewood business ) in 2011 .", "coated paperboard sales volumes in 2013 were higher than in 2012 reflecting stronger market demand .", "average sales price realizations were lower year-over- year despite the realization of price increases in the second half of 2013 .", "input costs for wood and energy increased , but were partially offset by lower costs for chemicals .", "planned maintenance downtime costs were slightly lower .", "market-related downtime was about 24000 tons in 2013 compared with about 113000 tons in 2012 .", "the permanent shutdown of a paper machine at our augusta , georgia mill in the first quarter of 2013 reduced capacity by 140000 tons in 2013 compared with 2012 .", "foodservice sales volumes increased slightly in 2013 compared with 2012 despite softer market demand .", "average sales margins were higher reflecting lower input costs for board and resins and a more favorable product mix .", "operating costs and distribution costs were both higher .", "the u.s.shorewood business was sold december 31 , 2011 and the non-u.s .", "business was sold in january looking ahead to the first quarter of 2014 , coated paperboard sales volumes are expected to be seasonally weaker than in the fourth quarter of 2013 .", "average sales price realizations are expected to be slightly higher , and margins should also benefit from a more favorable product mix .", "input costs are expected to be higher for energy , chemicals and wood .", "planned maintenance downtime costs should be $ 8 million lower with a planned maintenance outage scheduled at the augusta mill in the first quarter .", "the severe winter weather in the first quarter of 2014 will negatively impact operating profits .", "foodservice sales volumes are expected to be seasonally lower .", "average sales margins are expected to improve due to the realization of sales price increases effective with our january contract openers and a more favorable product mix. ."], "table": [["in millions", "2013", "2012", "2011"], ["sales", "$ 3435", "$ 3170", "$ 3710"], ["operating profit", "161", "268", "163"]], "table_ori": [["In millions", "2013", "2012", "2011"], ["Sales", "$3,435", "$3,170", "$3,710"], ["Operating Profit", "161", "268", "163"]]}

Question: what was the average consumer packaging net sales for north america from 2011 to 2013
Evidence:
text_20: north american consumer packaging net sales were $ 2.0 billion in 2013 compared with $ 2.0 billion in 2012 and $ 2.5 billion in 2011 .
Program: add(2.0, 2.0), add(#0, 2.5), add(#1, const_3), divide(#2, const_2)
Answer:
str_answer: 2.17
exe_answer: 4.75