Alright, let's solve this math problem step by step. First, we have the number 891. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 67. So, we're going to take the number 891 and add it to itself 67 times.
Step 1: 0 + 891 = 891
Step 2: 891 + 891 = 1782
Step 3: 1782 + 891 = 2673
Step 4: 2673 + 891 = 3564
Step 5: 3564 + 891 = 4455
Step 6: 4455 + 891 = 5346
Step 7: 5346 + 891 = 6237
Step 8: 6237 + 891 = 7128
Step 9: 7128 + 891 = 8019
Step 10: 8019 + 891 = 8910
Step 11: 8910 + 891 = 9801
Step 12: 9801 + 891 = 10692
Step 13: 10692 + 891 = 11583
Step 14: 11583 + 891 = 12474
Step 15: 12474 + 891 = 13365
Step 16: 13365 + 891 = 14256
Step 17: 14256 + 891 = 15147
Step 18: 15147 + 891 = 16038
Step 19: 16038 + 891 = 16929
Step 20: 16929 + 891 = 17820
Step 21: 17820 + 891 = 18711
Step 22: 18711 + 891 = 19602
Step 23: 19602 + 891 = 20493
Step 24: 20493 + 891 = 21384
Step 25: 21384 + 891 = 22275
Step 26: 22275 + 891 = 23166
Step 27: 23166 + 891 = 24057
Step 28: 24057 + 891 = 24948
Step 29: 24948 + 891 = 25839
Step 30: 25839 + 891 = 26730
Step 31: 26730 + 891 = 27621
Step 32: 27621 + 891 = 28512
Step 33: 28512 + 891 = 29403
Step 34: 29403 + 891 = 30294
Step 35: 30294 + 891 = 31185
Step 36: 31185 + 891 = 32076
Step 37: 32076 + 891 = 32967
Step 38: 32967 + 891 = 33858
Step 39: 33858 + 891 = 34749
Step 40: 34749 + 891 = 35640
Step 41: 35640 + 891 = 36531
Step 42: 36531 + 891 = 37422
Step 43: 37422 + 891 = 38313
Step 44: 38313 + 891 = 39204
Step 45: 39204 + 891 = 40095
Step 46: 40095 + 891 = 40986
Step 47: 40986 + 891 = 41877
Step 48: 41877 + 891 = 42768
Step 49: 42768 + 891 = 43659
Step 50: 43659 + 891 = 44550
Step 51: 44550 + 891 = 45441
Step 52: 45441 + 891 = 46332
Step 53: 46332 + 891 = 47223
Step 54: 47223 + 891 = 48114
Step 55: 48114 + 891 = 49005
Step 56: 49005 + 891 = 49896
Step 57: 49896 + 891 = 50787
Step 58: 50787 + 891 = 51678
Step 59: 51678 + 891 = 52569
Step 60: 52569 + 891 = 53460
Step 61: 53460 + 891 = 54351
Step 62: 54351 + 891 = 55242
Step 63: 55242 + 891 = 56133
Step 64: 56133 + 891 = 57024
Step 65: 57024 + 891 = 57915
Step 66: 57915 + 891 = 58806
Step 67: 58806 + 891 = 59697

So, 891*67 = 59697