Alright, let's solve this math problem step by step. First, we have the number 786. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 144. So, we're going to take the number 786 and add it to itself 144 times.
Step 1: 0 + 786 = 786
Step 2: 786 + 786 = 1572
Step 3: 1572 + 786 = 2358
Step 4: 2358 + 786 = 3144
Step 5: 3144 + 786 = 3930
Step 6: 3930 + 786 = 4716
Step 7: 4716 + 786 = 5502
Step 8: 5502 + 786 = 6288
Step 9: 6288 + 786 = 7074
Step 10: 7074 + 786 = 7860
Step 11: 7860 + 786 = 8646
Step 12: 8646 + 786 = 9432
Step 13: 9432 + 786 = 10218
Step 14: 10218 + 786 = 11004
Step 15: 11004 + 786 = 11790
Step 16: 11790 + 786 = 12576
Step 17: 12576 + 786 = 13362
Step 18: 13362 + 786 = 14148
Step 19: 14148 + 786 = 14934
Step 20: 14934 + 786 = 15720
Step 21: 15720 + 786 = 16506
Step 22: 16506 + 786 = 17292
Step 23: 17292 + 786 = 18078
Step 24: 18078 + 786 = 18864
Step 25: 18864 + 786 = 19650
Step 26: 19650 + 786 = 20436
Step 27: 20436 + 786 = 21222
Step 28: 21222 + 786 = 22008
Step 29: 22008 + 786 = 22794
Step 30: 22794 + 786 = 23580
Step 31: 23580 + 786 = 24366
Step 32: 24366 + 786 = 25152
Step 33: 25152 + 786 = 25938
Step 34: 25938 + 786 = 26724
Step 35: 26724 + 786 = 27510
Step 36: 27510 + 786 = 28296
Step 37: 28296 + 786 = 29082
Step 38: 29082 + 786 = 29868
Step 39: 29868 + 786 = 30654
Step 40: 30654 + 786 = 31440
Step 41: 31440 + 786 = 32226
Step 42: 32226 + 786 = 33012
Step 43: 33012 + 786 = 33798
Step 44: 33798 + 786 = 34584
Step 45: 34584 + 786 = 35370
Step 46: 35370 + 786 = 36156
Step 47: 36156 + 786 = 36942
Step 48: 36942 + 786 = 37728
Step 49: 37728 + 786 = 38514
Step 50: 38514 + 786 = 39300
Step 51: 39300 + 786 = 40086
Step 52: 40086 + 786 = 40872
Step 53: 40872 + 786 = 41658
Step 54: 41658 + 786 = 42444
Step 55: 42444 + 786 = 43230
Step 56: 43230 + 786 = 44016
Step 57: 44016 + 786 = 44802
Step 58: 44802 + 786 = 45588
Step 59: 45588 + 786 = 46374
Step 60: 46374 + 786 = 47160
Step 61: 47160 + 786 = 47946
Step 62: 47946 + 786 = 48732
Step 63: 48732 + 786 = 49518
Step 64: 49518 + 786 = 50304
Step 65: 50304 + 786 = 51090
Step 66: 51090 + 786 = 51876
Step 67: 51876 + 786 = 52662
Step 68: 52662 + 786 = 53448
Step 69: 53448 + 786 = 54234
Step 70: 54234 + 786 = 55020
Step 71: 55020 + 786 = 55806
Step 72: 55806 + 786 = 56592
Step 73: 56592 + 786 = 57378
Step 74: 57378 + 786 = 58164
Step 75: 58164 + 786 = 58950
Step 76: 58950 + 786 = 59736
Step 77: 59736 + 786 = 60522
Step 78: 60522 + 786 = 61308
Step 79: 61308 + 786 = 62094
Step 80: 62094 + 786 = 62880
Step 81: 62880 + 786 = 63666
Step 82: 63666 + 786 = 64452
Step 83: 64452 + 786 = 65238
Step 84: 65238 + 786 = 66024
Step 85: 66024 + 786 = 66810
Step 86: 66810 + 786 = 67596
Step 87: 67596 + 786 = 68382
Step 88: 68382 + 786 = 69168
Step 89: 69168 + 786 = 69954
Step 90: 69954 + 786 = 70740
Step 91: 70740 + 786 = 71526
Step 92: 71526 + 786 = 72312
Step 93: 72312 + 786 = 73098
Step 94: 73098 + 786 = 73884
Step 95: 73884 + 786 = 74670
Step 96: 74670 + 786 = 75456
Step 97: 75456 + 786 = 76242
Step 98: 76242 + 786 = 77028
Step 99: 77028 + 786 = 77814
Step 100: 77814 + 786 = 78600
Step 101: 78600 + 786 = 79386
Step 102: 79386 + 786 = 80172
Step 103: 80172 + 786 = 80958
Step 104: 80958 + 786 = 81744
Step 105: 81744 + 786 = 82530
Step 106: 82530 + 786 = 83316
Step 107: 83316 + 786 = 84102
Step 108: 84102 + 786 = 84888
Step 109: 84888 + 786 = 85674
Step 110: 85674 + 786 = 86460
Step 111: 86460 + 786 = 87246
Step 112: 87246 + 786 = 88032
Step 113: 88032 + 786 = 88818
Step 114: 88818 + 786 = 89604
Step 115: 89604 + 786 = 90390
Step 116: 90390 + 786 = 91176
Step 117: 91176 + 786 = 91962
Step 118: 91962 + 786 = 92748
Step 119: 92748 + 786 = 93534
Step 120: 93534 + 786 = 94320
Step 121: 94320 + 786 = 95106
Step 122: 95106 + 786 = 95892
Step 123: 95892 + 786 = 96678
Step 124: 96678 + 786 = 97464
Step 125: 97464 + 786 = 98250
Step 126: 98250 + 786 = 99036
Step 127: 99036 + 786 = 99822
Step 128: 99822 + 786 = 100608
Step 129: 100608 + 786 = 101394
Step 130: 101394 + 786 = 102180
Step 131: 102180 + 786 = 102966
Step 132: 102966 + 786 = 103752
Step 133: 103752 + 786 = 104538
Step 134: 104538 + 786 = 105324
Step 135: 105324 + 786 = 106110
Step 136: 106110 + 786 = 106896
Step 137: 106896 + 786 = 107682
Step 138: 107682 + 786 = 108468
Step 139: 108468 + 786 = 109254
Step 140: 109254 + 786 = 110040
Step 141: 110040 + 786 = 110826
Step 142: 110826 + 786 = 111612
Step 143: 111612 + 786 = 112398
Step 144: 112398 + 786 = 113184

So, 786*144 = 113184