public void testMath18() {
    String ex = "a = 100d; b = 50d; c = 20d; d = 30d; e = 2d; (a * b) * c / d * e";
    System.out.println("Expression: " + ex);

    Serializable s = MVEL.compileExpression(ex);

    assertEquals((100d * 50d) * 20d / 30d * 2d, MVEL.executeExpression(s, new HashMap()));
  }