Alright, let's solve this math problem step by step. First, we have the number 273. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 85. So, we're going to take the number 273 and add it to itself 85 times.
Step 1: 0 + 273 = 273
Step 2: 273 + 273 = 546
Step 3: 546 + 273 = 819
Step 4: 819 + 273 = 1092
Step 5: 1092 + 273 = 1365
Step 6: 1365 + 273 = 1638
Step 7: 1638 + 273 = 1911
Step 8: 1911 + 273 = 2184
Step 9: 2184 + 273 = 2457
Step 10: 2457 + 273 = 2730
Step 11: 2730 + 273 = 3003
Step 12: 3003 + 273 = 3276
Step 13: 3276 + 273 = 3549
Step 14: 3549 + 273 = 3822
Step 15: 3822 + 273 = 4095
Step 16: 4095 + 273 = 4368
Step 17: 4368 + 273 = 4641
Step 18: 4641 + 273 = 4914
Step 19: 4914 + 273 = 5187
Step 20: 5187 + 273 = 5460
Step 21: 5460 + 273 = 5733
Step 22: 5733 + 273 = 6006
Step 23: 6006 + 273 = 6279
Step 24: 6279 + 273 = 6552
Step 25: 6552 + 273 = 6825
Step 26: 6825 + 273 = 7098
Step 27: 7098 + 273 = 7371
Step 28: 7371 + 273 = 7644
Step 29: 7644 + 273 = 7917
Step 30: 7917 + 273 = 8190
Step 31: 8190 + 273 = 8463
Step 32: 8463 + 273 = 8736
Step 33: 8736 + 273 = 9009
Step 34: 9009 + 273 = 9282
Step 35: 9282 + 273 = 9555
Step 36: 9555 + 273 = 9828
Step 37: 9828 + 273 = 10101
Step 38: 10101 + 273 = 10374
Step 39: 10374 + 273 = 10647
Step 40: 10647 + 273 = 10920
Step 41: 10920 + 273 = 11193
Step 42: 11193 + 273 = 11466
Step 43: 11466 + 273 = 11739
Step 44: 11739 + 273 = 12012
Step 45: 12012 + 273 = 12285
Step 46: 12285 + 273 = 12558
Step 47: 12558 + 273 = 12831
Step 48: 12831 + 273 = 13104
Step 49: 13104 + 273 = 13377
Step 50: 13377 + 273 = 13650
Step 51: 13650 + 273 = 13923
Step 52: 13923 + 273 = 14196
Step 53: 14196 + 273 = 14469
Step 54: 14469 + 273 = 14742
Step 55: 14742 + 273 = 15015
Step 56: 15015 + 273 = 15288
Step 57: 15288 + 273 = 15561
Step 58: 15561 + 273 = 15834
Step 59: 15834 + 273 = 16107
Step 60: 16107 + 273 = 16380
Step 61: 16380 + 273 = 16653
Step 62: 16653 + 273 = 16926
Step 63: 16926 + 273 = 17199
Step 64: 17199 + 273 = 17472
Step 65: 17472 + 273 = 17745
Step 66: 17745 + 273 = 18018
Step 67: 18018 + 273 = 18291
Step 68: 18291 + 273 = 18564
Step 69: 18564 + 273 = 18837
Step 70: 18837 + 273 = 19110
Step 71: 19110 + 273 = 19383
Step 72: 19383 + 273 = 19656
Step 73: 19656 + 273 = 19929
Step 74: 19929 + 273 = 20202
Step 75: 20202 + 273 = 20475
Step 76: 20475 + 273 = 20748
Step 77: 20748 + 273 = 21021
Step 78: 21021 + 273 = 21294
Step 79: 21294 + 273 = 21567
Step 80: 21567 + 273 = 21840
Step 81: 21840 + 273 = 22113
Step 82: 22113 + 273 = 22386
Step 83: 22386 + 273 = 22659
Step 84: 22659 + 273 = 22932
Step 85: 22932 + 273 = 23205

So, 273*85 = 23205