Alright, let's solve this math problem step by step. First, we have the number 986. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 155. So, we're going to take the number 986 and add it to itself 155 times.
Step 1: 0 + 986 = 986
Step 2: 986 + 986 = 1972
Step 3: 1972 + 986 = 2958
Step 4: 2958 + 986 = 3944
Step 5: 3944 + 986 = 4930
Step 6: 4930 + 986 = 5916
Step 7: 5916 + 986 = 6902
Step 8: 6902 + 986 = 7888
Step 9: 7888 + 986 = 8874
Step 10: 8874 + 986 = 9860
Step 11: 9860 + 986 = 10846
Step 12: 10846 + 986 = 11832
Step 13: 11832 + 986 = 12818
Step 14: 12818 + 986 = 13804
Step 15: 13804 + 986 = 14790
Step 16: 14790 + 986 = 15776
Step 17: 15776 + 986 = 16762
Step 18: 16762 + 986 = 17748
Step 19: 17748 + 986 = 18734
Step 20: 18734 + 986 = 19720
Step 21: 19720 + 986 = 20706
Step 22: 20706 + 986 = 21692
Step 23: 21692 + 986 = 22678
Step 24: 22678 + 986 = 23664
Step 25: 23664 + 986 = 24650
Step 26: 24650 + 986 = 25636
Step 27: 25636 + 986 = 26622
Step 28: 26622 + 986 = 27608
Step 29: 27608 + 986 = 28594
Step 30: 28594 + 986 = 29580
Step 31: 29580 + 986 = 30566
Step 32: 30566 + 986 = 31552
Step 33: 31552 + 986 = 32538
Step 34: 32538 + 986 = 33524
Step 35: 33524 + 986 = 34510
Step 36: 34510 + 986 = 35496
Step 37: 35496 + 986 = 36482
Step 38: 36482 + 986 = 37468
Step 39: 37468 + 986 = 38454
Step 40: 38454 + 986 = 39440
Step 41: 39440 + 986 = 40426
Step 42: 40426 + 986 = 41412
Step 43: 41412 + 986 = 42398
Step 44: 42398 + 986 = 43384
Step 45: 43384 + 986 = 44370
Step 46: 44370 + 986 = 45356
Step 47: 45356 + 986 = 46342
Step 48: 46342 + 986 = 47328
Step 49: 47328 + 986 = 48314
Step 50: 48314 + 986 = 49300
Step 51: 49300 + 986 = 50286
Step 52: 50286 + 986 = 51272
Step 53: 51272 + 986 = 52258
Step 54: 52258 + 986 = 53244
Step 55: 53244 + 986 = 54230
Step 56: 54230 + 986 = 55216
Step 57: 55216 + 986 = 56202
Step 58: 56202 + 986 = 57188
Step 59: 57188 + 986 = 58174
Step 60: 58174 + 986 = 59160
Step 61: 59160 + 986 = 60146
Step 62: 60146 + 986 = 61132
Step 63: 61132 + 986 = 62118
Step 64: 62118 + 986 = 63104
Step 65: 63104 + 986 = 64090
Step 66: 64090 + 986 = 65076
Step 67: 65076 + 986 = 66062
Step 68: 66062 + 986 = 67048
Step 69: 67048 + 986 = 68034
Step 70: 68034 + 986 = 69020
Step 71: 69020 + 986 = 70006
Step 72: 70006 + 986 = 70992
Step 73: 70992 + 986 = 71978
Step 74: 71978 + 986 = 72964
Step 75: 72964 + 986 = 73950
Step 76: 73950 + 986 = 74936
Step 77: 74936 + 986 = 75922
Step 78: 75922 + 986 = 76908
Step 79: 76908 + 986 = 77894
Step 80: 77894 + 986 = 78880
Step 81: 78880 + 986 = 79866
Step 82: 79866 + 986 = 80852
Step 83: 80852 + 986 = 81838
Step 84: 81838 + 986 = 82824
Step 85: 82824 + 986 = 83810
Step 86: 83810 + 986 = 84796
Step 87: 84796 + 986 = 85782
Step 88: 85782 + 986 = 86768
Step 89: 86768 + 986 = 87754
Step 90: 87754 + 986 = 88740
Step 91: 88740 + 986 = 89726
Step 92: 89726 + 986 = 90712
Step 93: 90712 + 986 = 91698
Step 94: 91698 + 986 = 92684
Step 95: 92684 + 986 = 93670
Step 96: 93670 + 986 = 94656
Step 97: 94656 + 986 = 95642
Step 98: 95642 + 986 = 96628
Step 99: 96628 + 986 = 97614
Step 100: 97614 + 986 = 98600
Step 101: 98600 + 986 = 99586
Step 102: 99586 + 986 = 100572
Step 103: 100572 + 986 = 101558
Step 104: 101558 + 986 = 102544
Step 105: 102544 + 986 = 103530
Step 106: 103530 + 986 = 104516
Step 107: 104516 + 986 = 105502
Step 108: 105502 + 986 = 106488
Step 109: 106488 + 986 = 107474
Step 110: 107474 + 986 = 108460
Step 111: 108460 + 986 = 109446
Step 112: 109446 + 986 = 110432
Step 113: 110432 + 986 = 111418
Step 114: 111418 + 986 = 112404
Step 115: 112404 + 986 = 113390
Step 116: 113390 + 986 = 114376
Step 117: 114376 + 986 = 115362
Step 118: 115362 + 986 = 116348
Step 119: 116348 + 986 = 117334
Step 120: 117334 + 986 = 118320
Step 121: 118320 + 986 = 119306
Step 122: 119306 + 986 = 120292
Step 123: 120292 + 986 = 121278
Step 124: 121278 + 986 = 122264
Step 125: 122264 + 986 = 123250
Step 126: 123250 + 986 = 124236
Step 127: 124236 + 986 = 125222
Step 128: 125222 + 986 = 126208
Step 129: 126208 + 986 = 127194
Step 130: 127194 + 986 = 128180
Step 131: 128180 + 986 = 129166
Step 132: 129166 + 986 = 130152
Step 133: 130152 + 986 = 131138
Step 134: 131138 + 986 = 132124
Step 135: 132124 + 986 = 133110
Step 136: 133110 + 986 = 134096
Step 137: 134096 + 986 = 135082
Step 138: 135082 + 986 = 136068
Step 139: 136068 + 986 = 137054
Step 140: 137054 + 986 = 138040
Step 141: 138040 + 986 = 139026
Step 142: 139026 + 986 = 140012
Step 143: 140012 + 986 = 140998
Step 144: 140998 + 986 = 141984
Step 145: 141984 + 986 = 142970
Step 146: 142970 + 986 = 143956
Step 147: 143956 + 986 = 144942
Step 148: 144942 + 986 = 145928
Step 149: 145928 + 986 = 146914
Step 150: 146914 + 986 = 147900
Step 151: 147900 + 986 = 148886
Step 152: 148886 + 986 = 149872
Step 153: 149872 + 986 = 150858
Step 154: 150858 + 986 = 151844
Step 155: 151844 + 986 = 152830

So, 986*155 = 152830