764
374+391+390=1155
374 + 445 = 819
374 + 567 = 941
390 + 233 = 623
200 + 640 + 390 = 1270
100 + 390 = 490.
374 plus half of 69 = 408.5.
390 + 490 = 880
in the first book (the hunger games) there is 374 in the second book (catching fire) there is 391 and in the last one (mocking jay) there is 390
333 + 110 = 390 + 53
665.
390