Transforming Expressions

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Mrs. Beakley was teaching her grand-daughter Webby some math. Today, Mrs. Beakley taught how to evaluate (possibly very large) expressions involving numbers and binary operators. Mrs. Beakley also gave Webby some homework. But Huey, Dewey and Louie wants Webby to join them for a game of Baseball. Help Webby complete her homework. Webby, being a brilliant duck, can handle expressions of any size.

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solution.cppC++17

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