4101
27 + 38 + 1656 + 2156 = 3877, not 3756
345 + 890 + 549 = 1784
345 + 435 = 780
345 + 67797808 = 67798153
55555555 + 345 = 55555900
200 + 345 = 545
345 + 890 = 1235
325 + 345 = 670
2 + 345 = 347
345 + 253 = 598
1 + 55 + 345 + 87 + 98 = 586
1 billion and 345