In the ’Idli-Vada’ game, students call out ’idli’ for multiples of the first number, ’vada’ for multiples of the second, and ’idli-vada’ for common multiples.
 
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Identify the first number for which ’idli-vada’ will be called out for 7 and 11.

Answer:
 
``Idli-Vada'' will first be called out at .