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Trio is equal to three.
Are 6
Because in a trio are 3 people with 2 nostrils each.
Is a simple operation 3 times 2 equal 6.
"Trio" in English is trio in Italian.
The noun 'trio' can function as a collective noun for any group of three joined together on a common task:
A trio means three (of people, of things, of events). Examples: