4 digit
1,904 + 2,957=
4,861
10, 523 + 11, 978=
22,501
100, 945+ 101, 271=
202,216
1,325,498 + 1,925, 871=
3,251,369
3,483 + 2,569=
6,052
15, 971+ 12, 456=
28,427
115,396 + 104,589=
219,985
2,178,982+ 1, 351,679=
3,530,661
5,642+ 3,906=
9,548
22,712 + 14, 998=
37,710
312,557+ 215,644=
528,201
5,756,439+ 2,341672=
8,098,111
7, 436 + 2, 498
67,825+ 31,572
99, 397
453,614 + 243, 671=
697,285
6,367,785 +2,576,892=
8,944,677