Alright, let's solve this math problem step by step. First, we have the number 779. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 139. So, we're going to take the number 779 and add it to itself 139 times.
Step 1: 0 + 779 = 779
Step 2: 779 + 779 = 1558
Step 3: 1558 + 779 = 2337
Step 4: 2337 + 779 = 3116
Step 5: 3116 + 779 = 3895
Step 6: 3895 + 779 = 4674
Step 7: 4674 + 779 = 5453
Step 8: 5453 + 779 = 6232
Step 9: 6232 + 779 = 7011
Step 10: 7011 + 779 = 7790
Step 11: 7790 + 779 = 8569
Step 12: 8569 + 779 = 9348
Step 13: 9348 + 779 = 10127
Step 14: 10127 + 779 = 10906
Step 15: 10906 + 779 = 11685
Step 16: 11685 + 779 = 12464
Step 17: 12464 + 779 = 13243
Step 18: 13243 + 779 = 14022
Step 19: 14022 + 779 = 14801
Step 20: 14801 + 779 = 15580
Step 21: 15580 + 779 = 16359
Step 22: 16359 + 779 = 17138
Step 23: 17138 + 779 = 17917
Step 24: 17917 + 779 = 18696
Step 25: 18696 + 779 = 19475
Step 26: 19475 + 779 = 20254
Step 27: 20254 + 779 = 21033
Step 28: 21033 + 779 = 21812
Step 29: 21812 + 779 = 22591
Step 30: 22591 + 779 = 23370
Step 31: 23370 + 779 = 24149
Step 32: 24149 + 779 = 24928
Step 33: 24928 + 779 = 25707
Step 34: 25707 + 779 = 26486
Step 35: 26486 + 779 = 27265
Step 36: 27265 + 779 = 28044
Step 37: 28044 + 779 = 28823
Step 38: 28823 + 779 = 29602
Step 39: 29602 + 779 = 30381
Step 40: 30381 + 779 = 31160
Step 41: 31160 + 779 = 31939
Step 42: 31939 + 779 = 32718
Step 43: 32718 + 779 = 33497
Step 44: 33497 + 779 = 34276
Step 45: 34276 + 779 = 35055
Step 46: 35055 + 779 = 35834
Step 47: 35834 + 779 = 36613
Step 48: 36613 + 779 = 37392
Step 49: 37392 + 779 = 38171
Step 50: 38171 + 779 = 38950
Step 51: 38950 + 779 = 39729
Step 52: 39729 + 779 = 40508
Step 53: 40508 + 779 = 41287
Step 54: 41287 + 779 = 42066
Step 55: 42066 + 779 = 42845
Step 56: 42845 + 779 = 43624
Step 57: 43624 + 779 = 44403
Step 58: 44403 + 779 = 45182
Step 59: 45182 + 779 = 45961
Step 60: 45961 + 779 = 46740
Step 61: 46740 + 779 = 47519
Step 62: 47519 + 779 = 48298
Step 63: 48298 + 779 = 49077
Step 64: 49077 + 779 = 49856
Step 65: 49856 + 779 = 50635
Step 66: 50635 + 779 = 51414
Step 67: 51414 + 779 = 52193
Step 68: 52193 + 779 = 52972
Step 69: 52972 + 779 = 53751
Step 70: 53751 + 779 = 54530
Step 71: 54530 + 779 = 55309
Step 72: 55309 + 779 = 56088
Step 73: 56088 + 779 = 56867
Step 74: 56867 + 779 = 57646
Step 75: 57646 + 779 = 58425
Step 76: 58425 + 779 = 59204
Step 77: 59204 + 779 = 59983
Step 78: 59983 + 779 = 60762
Step 79: 60762 + 779 = 61541
Step 80: 61541 + 779 = 62320
Step 81: 62320 + 779 = 63099
Step 82: 63099 + 779 = 63878
Step 83: 63878 + 779 = 64657
Step 84: 64657 + 779 = 65436
Step 85: 65436 + 779 = 66215
Step 86: 66215 + 779 = 66994
Step 87: 66994 + 779 = 67773
Step 88: 67773 + 779 = 68552
Step 89: 68552 + 779 = 69331
Step 90: 69331 + 779 = 70110
Step 91: 70110 + 779 = 70889
Step 92: 70889 + 779 = 71668
Step 93: 71668 + 779 = 72447
Step 94: 72447 + 779 = 73226
Step 95: 73226 + 779 = 74005
Step 96: 74005 + 779 = 74784
Step 97: 74784 + 779 = 75563
Step 98: 75563 + 779 = 76342
Step 99: 76342 + 779 = 77121
Step 100: 77121 + 779 = 77900
Step 101: 77900 + 779 = 78679
Step 102: 78679 + 779 = 79458
Step 103: 79458 + 779 = 80237
Step 104: 80237 + 779 = 81016
Step 105: 81016 + 779 = 81795
Step 106: 81795 + 779 = 82574
Step 107: 82574 + 779 = 83353
Step 108: 83353 + 779 = 84132
Step 109: 84132 + 779 = 84911
Step 110: 84911 + 779 = 85690
Step 111: 85690 + 779 = 86469
Step 112: 86469 + 779 = 87248
Step 113: 87248 + 779 = 88027
Step 114: 88027 + 779 = 88806
Step 115: 88806 + 779 = 89585
Step 116: 89585 + 779 = 90364
Step 117: 90364 + 779 = 91143
Step 118: 91143 + 779 = 91922
Step 119: 91922 + 779 = 92701
Step 120: 92701 + 779 = 93480
Step 121: 93480 + 779 = 94259
Step 122: 94259 + 779 = 95038
Step 123: 95038 + 779 = 95817
Step 124: 95817 + 779 = 96596
Step 125: 96596 + 779 = 97375
Step 126: 97375 + 779 = 98154
Step 127: 98154 + 779 = 98933
Step 128: 98933 + 779 = 99712
Step 129: 99712 + 779 = 100491
Step 130: 100491 + 779 = 101270
Step 131: 101270 + 779 = 102049
Step 132: 102049 + 779 = 102828
Step 133: 102828 + 779 = 103607
Step 134: 103607 + 779 = 104386
Step 135: 104386 + 779 = 105165
Step 136: 105165 + 779 = 105944
Step 137: 105944 + 779 = 106723
Step 138: 106723 + 779 = 107502
Step 139: 107502 + 779 = 108281

So, 779*139 = 108281