Question: How many records did Argentine duo from season one of Tu Cara me Suena sell worldwide?

Context articles: Tu Cara me Suena Argentina (season 2)
Tvoja tvár znie povedome (season 1)
Tvoje tvář má známý hlas (season 1)
Tu Cara me Suena Argentina (season 1)
Your Face Sounds Familiar (Slovenian TV series)
Sing Your Face Off
Pimpinela
Toch-v-Toch
Tu cara me suena
Tvoje tvář má známý hlas

Season two of "Tu Cara me Suena" premiered on April 16, 2014.
 Cacho Castaña and Elizabeth Vernacci returned as judges along with new member of the panel, Enrique Pinti; Marley Wiebe returned as host.
Tvoja tvár znie povedome is a reality singing series that is aired on Markíza.
 It is both based on the Endemol format "Your Face Sounds Familiar" and an adaptation of the Spanish ""Tu cara me suena.""
 The first season consisted of eight celebrities.
 Show was first aired on March 6, 2016.
Tvoje tvář má známý hlas is a reality singing series that is aired on Nova.
 It is both based on the Endemol format "Your Face Sounds Familiar" and an adaptation of the Spanish ""Tu cara me suena.""
 The first season consisted of eight celebrities.
 Show was first aired on March 26, 2016.
Season one of "Tu Cara me Suena" premiered on September 23, 2013.
 Cacho Castaña, Elizabeth Vernacci and Joaquín Galán debuted conforming the panel of judges; Marley Wiebe presented the show.
Your Face Sounds Familiar (Slovenian: Znan obraz ima svoj glas, also abbreviated as ZOISG) is the Slovenian version of the popular shows "Tu cara me suena", Spanish broadcasters Antena 3.
 The first season premiered on 30 March 2014.
 The third season ended on 29 May 2016.
 All three seasons were hosted by Denis Avdić.
 An important part of the shows are judges, that comment on and (in addition to the spectators) assess the performances of the contestants.
 In the first season the standing judges were Irena Yebuah Tiran (opera singer), Boštjan Gombač (clarinetist) and Tanja Dj.
 Ribič (actress and singer).
 In the second season Boštjan Gombač replaced the player Gojmir Lešnjak.
Sing Your Face Off is a reality singing series that was aired on ABC during the 2013–14 American television season.
 It is based on both the Endemol format "Your Face Sounds Familiar" and an adaptation of the Spanish ""Tu cara me suena.""
 The first season consisted of six episodes, with two episodes airing back-to-back over three weeks.
 The first season premiered on May 31, 2014, and concluded on June 14, 2014.
Joaquín and Lucía Galán, better known as Pimpinela (Spanish for "pimpernel") are an Argentine duo famous for singing romantic musical pieces and known for their original singing style.
 They have sold over 12 million records in Argentina and 25 million worldwide.
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"Toch-v-Toch" is a TV program of the One Channel and the unofficial sequel to the show "Odin v odin!
" (the Russian version of the international format, "Your Face Sounds Familiar" – Spanish original: «Tu cara me suena" – the company "Endemol").
Tu Cara me Suena is an Argentine talent show based on the Spanish series of the same name.
 The show began airing on 23 September 2013 on Telefe and its first season ended on 18 December 2013.
 The show is presented by Marley Wiebe, whilst the judging panel is composed by Cacho Castaña, Elizabeth Vernacci and Enrique Pinti, with Joaquín Galán and Ale Sergi being former judges.
Tvoje tvář má známý hlas is a reality singing series that is aired on Nova.
 It is both based on the Endemol format "Your Face Sounds Familiar" and an adaptation of the Spanish ""Tu cara me suena.""
 The first season consisted of eight celebrities.
 Show was first aired on March 26, 2016.