Alright, let's solve this math problem step by step. First, we have the number 291. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 86. So, we're going to take the number 291 and add it to itself 86 times.
Step 1: 0 + 291 = 291
Step 2: 291 + 291 = 582
Step 3: 582 + 291 = 873
Step 4: 873 + 291 = 1164
Step 5: 1164 + 291 = 1455
Step 6: 1455 + 291 = 1746
Step 7: 1746 + 291 = 2037
Step 8: 2037 + 291 = 2328
Step 9: 2328 + 291 = 2619
Step 10: 2619 + 291 = 2910
Step 11: 2910 + 291 = 3201
Step 12: 3201 + 291 = 3492
Step 13: 3492 + 291 = 3783
Step 14: 3783 + 291 = 4074
Step 15: 4074 + 291 = 4365
Step 16: 4365 + 291 = 4656
Step 17: 4656 + 291 = 4947
Step 18: 4947 + 291 = 5238
Step 19: 5238 + 291 = 5529
Step 20: 5529 + 291 = 5820
Step 21: 5820 + 291 = 6111
Step 22: 6111 + 291 = 6402
Step 23: 6402 + 291 = 6693
Step 24: 6693 + 291 = 6984
Step 25: 6984 + 291 = 7275
Step 26: 7275 + 291 = 7566
Step 27: 7566 + 291 = 7857
Step 28: 7857 + 291 = 8148
Step 29: 8148 + 291 = 8439
Step 30: 8439 + 291 = 8730
Step 31: 8730 + 291 = 9021
Step 32: 9021 + 291 = 9312
Step 33: 9312 + 291 = 9603
Step 34: 9603 + 291 = 9894
Step 35: 9894 + 291 = 10185
Step 36: 10185 + 291 = 10476
Step 37: 10476 + 291 = 10767
Step 38: 10767 + 291 = 11058
Step 39: 11058 + 291 = 11349
Step 40: 11349 + 291 = 11640
Step 41: 11640 + 291 = 11931
Step 42: 11931 + 291 = 12222
Step 43: 12222 + 291 = 12513
Step 44: 12513 + 291 = 12804
Step 45: 12804 + 291 = 13095
Step 46: 13095 + 291 = 13386
Step 47: 13386 + 291 = 13677
Step 48: 13677 + 291 = 13968
Step 49: 13968 + 291 = 14259
Step 50: 14259 + 291 = 14550
Step 51: 14550 + 291 = 14841
Step 52: 14841 + 291 = 15132
Step 53: 15132 + 291 = 15423
Step 54: 15423 + 291 = 15714
Step 55: 15714 + 291 = 16005
Step 56: 16005 + 291 = 16296
Step 57: 16296 + 291 = 16587
Step 58: 16587 + 291 = 16878
Step 59: 16878 + 291 = 17169
Step 60: 17169 + 291 = 17460
Step 61: 17460 + 291 = 17751
Step 62: 17751 + 291 = 18042
Step 63: 18042 + 291 = 18333
Step 64: 18333 + 291 = 18624
Step 65: 18624 + 291 = 18915
Step 66: 18915 + 291 = 19206
Step 67: 19206 + 291 = 19497
Step 68: 19497 + 291 = 19788
Step 69: 19788 + 291 = 20079
Step 70: 20079 + 291 = 20370
Step 71: 20370 + 291 = 20661
Step 72: 20661 + 291 = 20952
Step 73: 20952 + 291 = 21243
Step 74: 21243 + 291 = 21534
Step 75: 21534 + 291 = 21825
Step 76: 21825 + 291 = 22116
Step 77: 22116 + 291 = 22407
Step 78: 22407 + 291 = 22698
Step 79: 22698 + 291 = 22989
Step 80: 22989 + 291 = 23280
Step 81: 23280 + 291 = 23571
Step 82: 23571 + 291 = 23862
Step 83: 23862 + 291 = 24153
Step 84: 24153 + 291 = 24444
Step 85: 24444 + 291 = 24735
Step 86: 24735 + 291 = 25026

So, 291*86 = 25026