325 + 345 = 670
345 + 890 + 549 = 1784
200 + 345 = 545
345 + 435 = 780
345 + 67797808 = 67798153
55555555 + 345 = 55555900
2 + 345 = 347
345 + 890 = 1235
345 + 253 = 598
1 + 55 + 345 + 87 + 98 = 586
345 + 69 = 414
1 billion and 345
345 + 3425 = 3770.