public void testMath22b() {
    String expression = "a = 100; b = 50; c = 70; d = 30; e = 20; f = 9; g = 3; (a-b)*c-d*(e-f)**g";
    System.out.println("Expression: " + expression);
    assertEquals((int) ((100 - 50) * 70 - 30 * Math.pow(20 - 9, 3)), testCompiledSimple(expression, new HashMap()));
  }