Alright, let's solve this math problem step by step. First, we have the number 797. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 171. So, we're going to take the number 797 and add it to itself 171 times.
Step 1: 0 + 797 = 797
Step 2: 797 + 797 = 1594
Step 3: 1594 + 797 = 2391
Step 4: 2391 + 797 = 3188
Step 5: 3188 + 797 = 3985
Step 6: 3985 + 797 = 4782
Step 7: 4782 + 797 = 5579
Step 8: 5579 + 797 = 6376
Step 9: 6376 + 797 = 7173
Step 10: 7173 + 797 = 7970
Step 11: 7970 + 797 = 8767
Step 12: 8767 + 797 = 9564
Step 13: 9564 + 797 = 10361
Step 14: 10361 + 797 = 11158
Step 15: 11158 + 797 = 11955
Step 16: 11955 + 797 = 12752
Step 17: 12752 + 797 = 13549
Step 18: 13549 + 797 = 14346
Step 19: 14346 + 797 = 15143
Step 20: 15143 + 797 = 15940
Step 21: 15940 + 797 = 16737
Step 22: 16737 + 797 = 17534
Step 23: 17534 + 797 = 18331
Step 24: 18331 + 797 = 19128
Step 25: 19128 + 797 = 19925
Step 26: 19925 + 797 = 20722
Step 27: 20722 + 797 = 21519
Step 28: 21519 + 797 = 22316
Step 29: 22316 + 797 = 23113
Step 30: 23113 + 797 = 23910
Step 31: 23910 + 797 = 24707
Step 32: 24707 + 797 = 25504
Step 33: 25504 + 797 = 26301
Step 34: 26301 + 797 = 27098
Step 35: 27098 + 797 = 27895
Step 36: 27895 + 797 = 28692
Step 37: 28692 + 797 = 29489
Step 38: 29489 + 797 = 30286
Step 39: 30286 + 797 = 31083
Step 40: 31083 + 797 = 31880
Step 41: 31880 + 797 = 32677
Step 42: 32677 + 797 = 33474
Step 43: 33474 + 797 = 34271
Step 44: 34271 + 797 = 35068
Step 45: 35068 + 797 = 35865
Step 46: 35865 + 797 = 36662
Step 47: 36662 + 797 = 37459
Step 48: 37459 + 797 = 38256
Step 49: 38256 + 797 = 39053
Step 50: 39053 + 797 = 39850
Step 51: 39850 + 797 = 40647
Step 52: 40647 + 797 = 41444
Step 53: 41444 + 797 = 42241
Step 54: 42241 + 797 = 43038
Step 55: 43038 + 797 = 43835
Step 56: 43835 + 797 = 44632
Step 57: 44632 + 797 = 45429
Step 58: 45429 + 797 = 46226
Step 59: 46226 + 797 = 47023
Step 60: 47023 + 797 = 47820
Step 61: 47820 + 797 = 48617
Step 62: 48617 + 797 = 49414
Step 63: 49414 + 797 = 50211
Step 64: 50211 + 797 = 51008
Step 65: 51008 + 797 = 51805
Step 66: 51805 + 797 = 52602
Step 67: 52602 + 797 = 53399
Step 68: 53399 + 797 = 54196
Step 69: 54196 + 797 = 54993
Step 70: 54993 + 797 = 55790
Step 71: 55790 + 797 = 56587
Step 72: 56587 + 797 = 57384
Step 73: 57384 + 797 = 58181
Step 74: 58181 + 797 = 58978
Step 75: 58978 + 797 = 59775
Step 76: 59775 + 797 = 60572
Step 77: 60572 + 797 = 61369
Step 78: 61369 + 797 = 62166
Step 79: 62166 + 797 = 62963
Step 80: 62963 + 797 = 63760
Step 81: 63760 + 797 = 64557
Step 82: 64557 + 797 = 65354
Step 83: 65354 + 797 = 66151
Step 84: 66151 + 797 = 66948
Step 85: 66948 + 797 = 67745
Step 86: 67745 + 797 = 68542
Step 87: 68542 + 797 = 69339
Step 88: 69339 + 797 = 70136
Step 89: 70136 + 797 = 70933
Step 90: 70933 + 797 = 71730
Step 91: 71730 + 797 = 72527
Step 92: 72527 + 797 = 73324
Step 93: 73324 + 797 = 74121
Step 94: 74121 + 797 = 74918
Step 95: 74918 + 797 = 75715
Step 96: 75715 + 797 = 76512
Step 97: 76512 + 797 = 77309
Step 98: 77309 + 797 = 78106
Step 99: 78106 + 797 = 78903
Step 100: 78903 + 797 = 79700
Step 101: 79700 + 797 = 80497
Step 102: 80497 + 797 = 81294
Step 103: 81294 + 797 = 82091
Step 104: 82091 + 797 = 82888
Step 105: 82888 + 797 = 83685
Step 106: 83685 + 797 = 84482
Step 107: 84482 + 797 = 85279
Step 108: 85279 + 797 = 86076
Step 109: 86076 + 797 = 86873
Step 110: 86873 + 797 = 87670
Step 111: 87670 + 797 = 88467
Step 112: 88467 + 797 = 89264
Step 113: 89264 + 797 = 90061
Step 114: 90061 + 797 = 90858
Step 115: 90858 + 797 = 91655
Step 116: 91655 + 797 = 92452
Step 117: 92452 + 797 = 93249
Step 118: 93249 + 797 = 94046
Step 119: 94046 + 797 = 94843
Step 120: 94843 + 797 = 95640
Step 121: 95640 + 797 = 96437
Step 122: 96437 + 797 = 97234
Step 123: 97234 + 797 = 98031
Step 124: 98031 + 797 = 98828
Step 125: 98828 + 797 = 99625
Step 126: 99625 + 797 = 100422
Step 127: 100422 + 797 = 101219
Step 128: 101219 + 797 = 102016
Step 129: 102016 + 797 = 102813
Step 130: 102813 + 797 = 103610
Step 131: 103610 + 797 = 104407
Step 132: 104407 + 797 = 105204
Step 133: 105204 + 797 = 106001
Step 134: 106001 + 797 = 106798
Step 135: 106798 + 797 = 107595
Step 136: 107595 + 797 = 108392
Step 137: 108392 + 797 = 109189
Step 138: 109189 + 797 = 109986
Step 139: 109986 + 797 = 110783
Step 140: 110783 + 797 = 111580
Step 141: 111580 + 797 = 112377
Step 142: 112377 + 797 = 113174
Step 143: 113174 + 797 = 113971
Step 144: 113971 + 797 = 114768
Step 145: 114768 + 797 = 115565
Step 146: 115565 + 797 = 116362
Step 147: 116362 + 797 = 117159
Step 148: 117159 + 797 = 117956
Step 149: 117956 + 797 = 118753
Step 150: 118753 + 797 = 119550
Step 151: 119550 + 797 = 120347
Step 152: 120347 + 797 = 121144
Step 153: 121144 + 797 = 121941
Step 154: 121941 + 797 = 122738
Step 155: 122738 + 797 = 123535
Step 156: 123535 + 797 = 124332
Step 157: 124332 + 797 = 125129
Step 158: 125129 + 797 = 125926
Step 159: 125926 + 797 = 126723
Step 160: 126723 + 797 = 127520
Step 161: 127520 + 797 = 128317
Step 162: 128317 + 797 = 129114
Step 163: 129114 + 797 = 129911
Step 164: 129911 + 797 = 130708
Step 165: 130708 + 797 = 131505
Step 166: 131505 + 797 = 132302
Step 167: 132302 + 797 = 133099
Step 168: 133099 + 797 = 133896
Step 169: 133896 + 797 = 134693
Step 170: 134693 + 797 = 135490
Step 171: 135490 + 797 = 136287

So, 797*171 = 136287