Hampstead

AM playing at Adam Raoof's 71st Hampstead weekend congress, and in round one have white against a 1676/154 junior.
The carriage of the Northern Line train I caught from Moorgate had the serial number 51681, which makes for an interesting Tube Puzzle.
As usual, each number should be used once, and once only, and must be added, subtracted, multiplied or divided to make a balanced equation.
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My solution: 6 ÷ (8 - 5) = 1 + 1