{"pre_text": ["our international networks segment owns and operates the following television networks , which reached the following number of subscribers via pay television services as of december 31 , 2013 : global networks international subscribers ( millions ) regional networks international subscribers ( millions ) ."], "post_text": ["( a ) number of subscribers corresponds to the collective sum of the total number of subscribers to each of the sbs nordic broadcast networks in sweden , norway , and denmark subject to retransmission agreements with pay television providers .", "( b ) number of subscribers corresponds to dmax pay television networks in the u.k. , austria , switzerland and ireland .", "our international networks segment also owns and operates free-to-air television networks which reached 285 million cumulative viewers in europe and the middle east as of december 31 , 2013 .", "our free-to-air networks include dmax , fatafeat , quest , real time , giallo , frisbee , focus and k2 .", "similar to u.s .", "networks , the primary sources of revenue for international networks are fees charged to operators who distribute our networks , which primarily include cable and dth satellite service providers , and advertising sold on our television networks .", "international television markets vary in their stages of development .", "some markets , such as the u.k. , are more advanced digital television markets , while others remain in the analog environment with varying degrees of investment from operators to expand channel capacity or convert to digital technologies .", "common practice in some markets results in long-term contractual distribution relationships , while customers in other markets renew contracts annually .", "distribution revenue for our international networks segment is largely dependent on the number of subscribers that receive our networks or content , the rates negotiated in the agreements , and the market demand for the content that we provide .", "advertising revenue is dependent upon a number of factors including the development of pay and free-to-air television markets , the number of subscribers to and viewers of our channels , viewership demographics , the popularity of our programming , and our ability to sell commercial time over a group of channels .", "in certain markets , our advertising sales business operates with in-house sales teams , while we rely on external sales representation services in other markets .", "in developing television markets , we expect that advertising revenue growth will result from continued subscriber and viewership growth , our localization strategy , and the shift of advertising spending from traditional analog networks to channels in the multi-channel environment .", "in relatively mature markets , such as western europe , growth in advertising revenue will come from increasing viewership and pricing of advertising on our existing television networks and the launching of new services , both organic and through acquisitions .", "during 2013 , distribution , advertising and other revenues were 50% ( 50 % ) , 47% ( 47 % ) and 3% ( 3 % ) , respectively , of total net revenues for this segment .", "on january 21 , 2014 , we entered into an agreement with tf1 to acquire a controlling interest in eurosport international ( \"eurosport\" ) , a leading pan-european sports media platform , by increasing our ownership stake from 20% ( 20 % ) to 51% ( 51 % ) for cash of approximately 20ac253 million ( $ 343 million ) subject to working capital adjustments .", "due to regulatory constraints the acquisition initially excludes eurosport france , a subsidiary of eurosport .", "we will retain a 20% ( 20 % ) equity interest in eurosport france and a commitment to acquire another 31% ( 31 % ) ownership interest beginning 2015 , contingent upon resolution of all regulatory matters .", "the flagship eurosport network focuses on regionally popular sports such as tennis , skiing , cycling and motor sports and reaches 133 million homes across 54 countries in 20 languages .", "eurosport 2019s brands and platforms also include eurosport hd ( high definition simulcast ) , eurosport 2 , eurosport 2 hd ( high definition simulcast ) , eurosport asia-pacific , and eurosportnews .", "the acquisition is intended to increase the growth of eurosport and enhance our pay television offerings in europe .", "tf1 will have the right to put the entirety of its remaining 49% ( 49 % ) non-controlling interest to us for approximately two and a half years after completion of this acquisition .", "the put has a floor value equal to the fair value at the acquisition date if exercised in the 90 day period beginning on july 1 , 2015 and is subsequently priced at fair value if exercised in the 90 day period beginning on july 1 , 2016 .", "we expect the acquisition to close in the second quarter of 2014 subject to obtaining necessary regulatory approvals. ."], "table": [["global networks discovery channel", "internationalsubscribers ( millions ) 271", "regional networks discovery kids", "internationalsubscribers ( millions ) 76"], ["animal planet", "200", "sbs nordic ( a )", "28"], ["tlc real time and travel & living", "162", "dmax ( b )", "16"], ["discovery science", "81", "discovery history", "14"], ["investigation discovery", "74", "shed", "12"], ["discovery home & health", "64", "discovery en espanol ( u.s. )", "5"], ["turbo", "52", "discovery familia ( u.s. )", "4"], ["discovery world", "23", "gxt", "4"]], "table_ori": [["Global Networks", "InternationalSubscribers(millions)", "Regional Networks", "InternationalSubscribers(millions)"], ["Discovery Channel", "271", "Discovery Kids", "76"], ["Animal Planet", "200", "SBS Nordic<sup>(a)</sup>", "28"], ["TLC, Real Time and Travel & Living", "162", "DMAX<sup>(b)</sup>", "16"], ["Discovery Science", "81", "Discovery History", "14"], ["Investigation Discovery", "74", "Shed", "12"], ["Discovery Home & Health", "64", "Discovery en Espanol (U.S.)", "5"], ["Turbo", "52", "Discovery Familia (U.S.)", "4"], ["Discovery World", "23", "GXT", "4"]]}

Question: what was the difference in millions of international subscribers between discovery channel and discovery science?
Evidence:
table_3: global networks discovery channel the discovery science of internationalsubscribers ( millions ) 271 is 81 ; the discovery science of regional networks discovery kids is discovery history ; the discovery science of internationalsubscribers ( millions ) 76 is 14 ;
Program: subtract(271, 81)
Answer:
str_answer: 190
exe_answer: 190