using uCalcSoftware;

var uc = new uCalc();
var t = new uCalc.Transformer();

// The variable {formula} will capture the literal text "10 * (5-2)".
// {@@Eval} then executes that text as an expression.
t.FromTo("solve({formula})", "'{formula}' is {@@Eval: formula}.");

var text = "The answer to solve(10 * (5-2))";
Console.WriteLine(t.Transform(text));