{"pre_text": ["table of contents the company uses some custom components that are not commonly used by its competitors , and new products introduced by the company often utilize custom components available from only one source .", "when a component or product uses new technologies , initial capacity constraints may exist until the suppliers 2019 yields have matured or manufacturing capacity has increased .", "if the company 2019s supply of components for a new or existing product were delayed or constrained , or if an outsourcing partner delayed shipments of completed products to the company , the company 2019s financial condition and operating results could be materially adversely affected .", "the company 2019s business and financial performance could also be materially adversely affected depending on the time required to obtain sufficient quantities from the original source , or to identify and obtain sufficient quantities from an alternative source .", "continued availability of these components at acceptable prices , or at all , may be affected if those suppliers concentrated on the production of common components instead of components customized to meet the company 2019s requirements .", "the company has entered into agreements for the supply of many components ; however , there can be no guarantee that the company will be able to extend or renew these agreements on similar terms , or at all .", "therefore , the company remains subject to significant risks of supply shortages and price increases that could materially adversely affect its financial condition and operating results .", "substantially all of the company 2019s hardware products are manufactured by outsourcing partners that are located primarily in asia .", "a significant concentration of this manufacturing is currently performed by a small number of outsourcing partners , often in single locations .", "certain of these outsourcing partners are the sole- sourced suppliers of components and manufacturers for many of the company 2019s products .", "although the company works closely with its outsourcing partners on manufacturing schedules , the company 2019s operating results could be adversely affected if its outsourcing partners were unable to meet their production commitments .", "the company 2019s purchase commitments typically cover its requirements for periods up to 150 days .", "other off-balance sheet commitments operating leases the company leases various equipment and facilities , including retail space , under noncancelable operating lease arrangements .", "the company does not currently utilize any other off-balance sheet financing arrangements .", "the major facility leases are typically for terms not exceeding 10 years and generally contain multi-year renewal options .", "as of september 26 , 2015 , the company had a total of 463 retail stores .", "leases for retail space are for terms ranging from five to 20 years , the majority of which are for 10 years , and often contain multi-year renewal options .", "as of september 26 , 2015 , the company 2019s total future minimum lease payments under noncancelable operating leases were $ 6.3 billion , of which $ 3.6 billion related to leases for retail space .", "rent expense under all operating leases , including both cancelable and noncancelable leases , was $ 794 million , $ 717 million and $ 645 million in 2015 , 2014 and 2013 , respectively .", "future minimum lease payments under noncancelable operating leases having remaining terms in excess of one year as of september 26 , 2015 , are as follows ( in millions ) : ."], "post_text": ["other commitments the company utilizes several outsourcing partners to manufacture sub-assemblies for the company 2019s products and to perform final assembly and testing of finished products .", "these outsourcing partners acquire components and build product based on demand information supplied by the company , which typically covers periods up to 150 days .", "the company also obtains individual components for its products from a wide variety of individual suppliers .", "consistent with industry practice , the company acquires components through a combination of purchase orders , supplier contracts and open orders based on projected demand information .", "where appropriate , the purchases are applied to inventory component prepayments that are outstanding with the respective supplier .", "as of september 26 , 2015 , the company had outstanding off-balance sheet third-party manufacturing commitments and component purchase commitments of $ 29.5 billion .", "apple inc .", "| 2015 form 10-k | 65 ."], "table": [["2016", "$ 772"], ["2017", "774"], ["2018", "744"], ["2019", "715"], ["2020", "674"], ["thereafter", "2592"], ["total", "$ 6271"]], "table_ori": [["2016", "$772"], ["2017", "774"], ["2018", "744"], ["2019", "715"], ["2020", "674"], ["Thereafter", "2,592"], ["Total", "$6,271"]]}

Question: what was total rent expense under all operating leases , including both cancelable and noncancelable leases , in millions , in 2015 , 2014 and 2013?
Evidence:
text_18: rent expense under all operating leases , including both cancelable and noncancelable leases , was $ 794 million , $ 717 million and $ 645 million in 2015 , 2014 and 2013 , respectively .
Program: add(794, 717), add(#0, 645)
Answer:
str_answer: 2156
exe_answer: 2156