e1 = 42 	Is elementair

e2 = 1 + 125 * 8 / 10 - 59
e2 = (1 + ((125 * 8) / 10)) - 59
            -------
e2 = (1 + (1000 / 10)) - 59
           ---------
e2 = (1 + 100) - 59
      -------
e2 = 101 - 59
     --------
e2 = 42

e3 = not True || True && False
e3 = (not True) || (True && False)
      --------
e3 = False || (True && False)
               -------------
e3 = False || False
     --------------
e3 = False

e4 = 1 + 2 == 6 - 3
e4 = (1 + 2) == (6 - 3)
      -----
e4 = 3 == (6 - 3)
           -----
e4 = 3 == 3
e4 = True

e5 = "1 + 2" == "6 - 3"
     ------------------
e5 = False

e6 = "1111 + 2222" == "1111" +++ " + " +++ "2222"
e6 = "1111 + 2222" == (("1111" +++ " + ") +++ "2222")
                       -----------------
e6 = "1111 + 2222" == ("1111 + " +++ "2222")
                       --------------------
e6 = "1111 + 2222" == "1111 + 2222"
     ------------------------------
e6 = True