899
1153.
111111111111
111 + 111 = 1110
1798
280 + 280 + 112 + 116 = 788
111 + 112 + 113 = 336.
the true arithamitic answer to this DD23 question is 1687.
112 + 113 + 111 = 336
457 plus 111 is 568. Use a calculator, is is easier.
111 + 147 =258
111 + 167 = 278
111 + 444 = 555