Alright, let's solve this math problem step by step. First, we have the number 573. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 216. So, we're going to take the number 573 and add it to itself 216 times.
Step 1: 0 + 573 = 573
Step 2: 573 + 573 = 1146
Step 3: 1146 + 573 = 1719
Step 4: 1719 + 573 = 2292
Step 5: 2292 + 573 = 2865
Step 6: 2865 + 573 = 3438
Step 7: 3438 + 573 = 4011
Step 8: 4011 + 573 = 4584
Step 9: 4584 + 573 = 5157
Step 10: 5157 + 573 = 5730
Step 11: 5730 + 573 = 6303
Step 12: 6303 + 573 = 6876
Step 13: 6876 + 573 = 7449
Step 14: 7449 + 573 = 8022
Step 15: 8022 + 573 = 8595
Step 16: 8595 + 573 = 9168
Step 17: 9168 + 573 = 9741
Step 18: 9741 + 573 = 10314
Step 19: 10314 + 573 = 10887
Step 20: 10887 + 573 = 11460
Step 21: 11460 + 573 = 12033
Step 22: 12033 + 573 = 12606
Step 23: 12606 + 573 = 13179
Step 24: 13179 + 573 = 13752
Step 25: 13752 + 573 = 14325
Step 26: 14325 + 573 = 14898
Step 27: 14898 + 573 = 15471
Step 28: 15471 + 573 = 16044
Step 29: 16044 + 573 = 16617
Step 30: 16617 + 573 = 17190
Step 31: 17190 + 573 = 17763
Step 32: 17763 + 573 = 18336
Step 33: 18336 + 573 = 18909
Step 34: 18909 + 573 = 19482
Step 35: 19482 + 573 = 20055
Step 36: 20055 + 573 = 20628
Step 37: 20628 + 573 = 21201
Step 38: 21201 + 573 = 21774
Step 39: 21774 + 573 = 22347
Step 40: 22347 + 573 = 22920
Step 41: 22920 + 573 = 23493
Step 42: 23493 + 573 = 24066
Step 43: 24066 + 573 = 24639
Step 44: 24639 + 573 = 25212
Step 45: 25212 + 573 = 25785
Step 46: 25785 + 573 = 26358
Step 47: 26358 + 573 = 26931
Step 48: 26931 + 573 = 27504
Step 49: 27504 + 573 = 28077
Step 50: 28077 + 573 = 28650
Step 51: 28650 + 573 = 29223
Step 52: 29223 + 573 = 29796
Step 53: 29796 + 573 = 30369
Step 54: 30369 + 573 = 30942
Step 55: 30942 + 573 = 31515
Step 56: 31515 + 573 = 32088
Step 57: 32088 + 573 = 32661
Step 58: 32661 + 573 = 33234
Step 59: 33234 + 573 = 33807
Step 60: 33807 + 573 = 34380
Step 61: 34380 + 573 = 34953
Step 62: 34953 + 573 = 35526
Step 63: 35526 + 573 = 36099
Step 64: 36099 + 573 = 36672
Step 65: 36672 + 573 = 37245
Step 66: 37245 + 573 = 37818
Step 67: 37818 + 573 = 38391
Step 68: 38391 + 573 = 38964
Step 69: 38964 + 573 = 39537
Step 70: 39537 + 573 = 40110
Step 71: 40110 + 573 = 40683
Step 72: 40683 + 573 = 41256
Step 73: 41256 + 573 = 41829
Step 74: 41829 + 573 = 42402
Step 75: 42402 + 573 = 42975
Step 76: 42975 + 573 = 43548
Step 77: 43548 + 573 = 44121
Step 78: 44121 + 573 = 44694
Step 79: 44694 + 573 = 45267
Step 80: 45267 + 573 = 45840
Step 81: 45840 + 573 = 46413
Step 82: 46413 + 573 = 46986
Step 83: 46986 + 573 = 47559
Step 84: 47559 + 573 = 48132
Step 85: 48132 + 573 = 48705
Step 86: 48705 + 573 = 49278
Step 87: 49278 + 573 = 49851
Step 88: 49851 + 573 = 50424
Step 89: 50424 + 573 = 50997
Step 90: 50997 + 573 = 51570
Step 91: 51570 + 573 = 52143
Step 92: 52143 + 573 = 52716
Step 93: 52716 + 573 = 53289
Step 94: 53289 + 573 = 53862
Step 95: 53862 + 573 = 54435
Step 96: 54435 + 573 = 55008
Step 97: 55008 + 573 = 55581
Step 98: 55581 + 573 = 56154
Step 99: 56154 + 573 = 56727
Step 100: 56727 + 573 = 57300
Step 101: 57300 + 573 = 57873
Step 102: 57873 + 573 = 58446
Step 103: 58446 + 573 = 59019
Step 104: 59019 + 573 = 59592
Step 105: 59592 + 573 = 60165
Step 106: 60165 + 573 = 60738
Step 107: 60738 + 573 = 61311
Step 108: 61311 + 573 = 61884
Step 109: 61884 + 573 = 62457
Step 110: 62457 + 573 = 63030
Step 111: 63030 + 573 = 63603
Step 112: 63603 + 573 = 64176
Step 113: 64176 + 573 = 64749
Step 114: 64749 + 573 = 65322
Step 115: 65322 + 573 = 65895
Step 116: 65895 + 573 = 66468
Step 117: 66468 + 573 = 67041
Step 118: 67041 + 573 = 67614
Step 119: 67614 + 573 = 68187
Step 120: 68187 + 573 = 68760
Step 121: 68760 + 573 = 69333
Step 122: 69333 + 573 = 69906
Step 123: 69906 + 573 = 70479
Step 124: 70479 + 573 = 71052
Step 125: 71052 + 573 = 71625
Step 126: 71625 + 573 = 72198
Step 127: 72198 + 573 = 72771
Step 128: 72771 + 573 = 73344
Step 129: 73344 + 573 = 73917
Step 130: 73917 + 573 = 74490
Step 131: 74490 + 573 = 75063
Step 132: 75063 + 573 = 75636
Step 133: 75636 + 573 = 76209
Step 134: 76209 + 573 = 76782
Step 135: 76782 + 573 = 77355
Step 136: 77355 + 573 = 77928
Step 137: 77928 + 573 = 78501
Step 138: 78501 + 573 = 79074
Step 139: 79074 + 573 = 79647
Step 140: 79647 + 573 = 80220
Step 141: 80220 + 573 = 80793
Step 142: 80793 + 573 = 81366
Step 143: 81366 + 573 = 81939
Step 144: 81939 + 573 = 82512
Step 145: 82512 + 573 = 83085
Step 146: 83085 + 573 = 83658
Step 147: 83658 + 573 = 84231
Step 148: 84231 + 573 = 84804
Step 149: 84804 + 573 = 85377
Step 150: 85377 + 573 = 85950
Step 151: 85950 + 573 = 86523
Step 152: 86523 + 573 = 87096
Step 153: 87096 + 573 = 87669
Step 154: 87669 + 573 = 88242
Step 155: 88242 + 573 = 88815
Step 156: 88815 + 573 = 89388
Step 157: 89388 + 573 = 89961
Step 158: 89961 + 573 = 90534
Step 159: 90534 + 573 = 91107
Step 160: 91107 + 573 = 91680
Step 161: 91680 + 573 = 92253
Step 162: 92253 + 573 = 92826
Step 163: 92826 + 573 = 93399
Step 164: 93399 + 573 = 93972
Step 165: 93972 + 573 = 94545
Step 166: 94545 + 573 = 95118
Step 167: 95118 + 573 = 95691
Step 168: 95691 + 573 = 96264
Step 169: 96264 + 573 = 96837
Step 170: 96837 + 573 = 97410
Step 171: 97410 + 573 = 97983
Step 172: 97983 + 573 = 98556
Step 173: 98556 + 573 = 99129
Step 174: 99129 + 573 = 99702
Step 175: 99702 + 573 = 100275
Step 176: 100275 + 573 = 100848
Step 177: 100848 + 573 = 101421
Step 178: 101421 + 573 = 101994
Step 179: 101994 + 573 = 102567
Step 180: 102567 + 573 = 103140
Step 181: 103140 + 573 = 103713
Step 182: 103713 + 573 = 104286
Step 183: 104286 + 573 = 104859
Step 184: 104859 + 573 = 105432
Step 185: 105432 + 573 = 106005
Step 186: 106005 + 573 = 106578
Step 187: 106578 + 573 = 107151
Step 188: 107151 + 573 = 107724
Step 189: 107724 + 573 = 108297
Step 190: 108297 + 573 = 108870
Step 191: 108870 + 573 = 109443
Step 192: 109443 + 573 = 110016
Step 193: 110016 + 573 = 110589
Step 194: 110589 + 573 = 111162
Step 195: 111162 + 573 = 111735
Step 196: 111735 + 573 = 112308
Step 197: 112308 + 573 = 112881
Step 198: 112881 + 573 = 113454
Step 199: 113454 + 573 = 114027
Step 200: 114027 + 573 = 114600
Step 201: 114600 + 573 = 115173
Step 202: 115173 + 573 = 115746
Step 203: 115746 + 573 = 116319
Step 204: 116319 + 573 = 116892
Step 205: 116892 + 573 = 117465
Step 206: 117465 + 573 = 118038
Step 207: 118038 + 573 = 118611
Step 208: 118611 + 573 = 119184
Step 209: 119184 + 573 = 119757
Step 210: 119757 + 573 = 120330
Step 211: 120330 + 573 = 120903
Step 212: 120903 + 573 = 121476
Step 213: 121476 + 573 = 122049
Step 214: 122049 + 573 = 122622
Step 215: 122622 + 573 = 123195
Step 216: 123195 + 573 = 123768

So, 573*216 = 123768