How many combinations of 'subway' sandwich are there?

According to subway.com, 30 different components sandwich components exist, and 6 types of bread. Assuming you can have anything, number of components combinations = 2 power 30 = 1,073,741,824. Multiplying by 6 types of bread gives a grand total of 6,442,450,944 possible variations. Bon appetit!

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