Вычислим удобным способом:
118 + 277 + 32 + 123 = (118 + 32) + (277 + 123) = 150 + 400 = 550
54 + 378 + 246 + 22 = (54 + 246) + (378 + 22) = 300 + 400 = 700
115 + 65 + 703 + 27 = (115 + 65) + (703 + 27) = 180 + 730 = 910
23 + 519 + 81 + 307 = (23 + 81) + (519 + 307) = 104 + 826 = 930