public void SolveTest()
{
Assert.AreEqual(MathExpression.Solve("((2+2)*2+2*(2+2*(2+2))+2*2)+2+2*2*2+2"), 44);
Assert.AreEqual(MathExpression.Solve("2+2*(2+2*2+(2+2*(2+2)))"), 34);
Assert.AreEqual(MathExpression.Solve("(((25+227)/2)+134)*2+((48+2)*(2+2))"), 720);
Assert.AreEqual(MathExpression.Solve("4*2+3-78+16*(21*3-7)+88/4"), 851);
}