Alright, let's solve this math problem step by step. First, we have the number 172. 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 172 and add it to itself 216 times.
Step 1: 0 + 172 = 172
Step 2: 172 + 172 = 344
Step 3: 344 + 172 = 516
Step 4: 516 + 172 = 688
Step 5: 688 + 172 = 860
Step 6: 860 + 172 = 1032
Step 7: 1032 + 172 = 1204
Step 8: 1204 + 172 = 1376
Step 9: 1376 + 172 = 1548
Step 10: 1548 + 172 = 1720
Step 11: 1720 + 172 = 1892
Step 12: 1892 + 172 = 2064
Step 13: 2064 + 172 = 2236
Step 14: 2236 + 172 = 2408
Step 15: 2408 + 172 = 2580
Step 16: 2580 + 172 = 2752
Step 17: 2752 + 172 = 2924
Step 18: 2924 + 172 = 3096
Step 19: 3096 + 172 = 3268
Step 20: 3268 + 172 = 3440
Step 21: 3440 + 172 = 3612
Step 22: 3612 + 172 = 3784
Step 23: 3784 + 172 = 3956
Step 24: 3956 + 172 = 4128
Step 25: 4128 + 172 = 4300
Step 26: 4300 + 172 = 4472
Step 27: 4472 + 172 = 4644
Step 28: 4644 + 172 = 4816
Step 29: 4816 + 172 = 4988
Step 30: 4988 + 172 = 5160
Step 31: 5160 + 172 = 5332
Step 32: 5332 + 172 = 5504
Step 33: 5504 + 172 = 5676
Step 34: 5676 + 172 = 5848
Step 35: 5848 + 172 = 6020
Step 36: 6020 + 172 = 6192
Step 37: 6192 + 172 = 6364
Step 38: 6364 + 172 = 6536
Step 39: 6536 + 172 = 6708
Step 40: 6708 + 172 = 6880
Step 41: 6880 + 172 = 7052
Step 42: 7052 + 172 = 7224
Step 43: 7224 + 172 = 7396
Step 44: 7396 + 172 = 7568
Step 45: 7568 + 172 = 7740
Step 46: 7740 + 172 = 7912
Step 47: 7912 + 172 = 8084
Step 48: 8084 + 172 = 8256
Step 49: 8256 + 172 = 8428
Step 50: 8428 + 172 = 8600
Step 51: 8600 + 172 = 8772
Step 52: 8772 + 172 = 8944
Step 53: 8944 + 172 = 9116
Step 54: 9116 + 172 = 9288
Step 55: 9288 + 172 = 9460
Step 56: 9460 + 172 = 9632
Step 57: 9632 + 172 = 9804
Step 58: 9804 + 172 = 9976
Step 59: 9976 + 172 = 10148
Step 60: 10148 + 172 = 10320
Step 61: 10320 + 172 = 10492
Step 62: 10492 + 172 = 10664
Step 63: 10664 + 172 = 10836
Step 64: 10836 + 172 = 11008
Step 65: 11008 + 172 = 11180
Step 66: 11180 + 172 = 11352
Step 67: 11352 + 172 = 11524
Step 68: 11524 + 172 = 11696
Step 69: 11696 + 172 = 11868
Step 70: 11868 + 172 = 12040
Step 71: 12040 + 172 = 12212
Step 72: 12212 + 172 = 12384
Step 73: 12384 + 172 = 12556
Step 74: 12556 + 172 = 12728
Step 75: 12728 + 172 = 12900
Step 76: 12900 + 172 = 13072
Step 77: 13072 + 172 = 13244
Step 78: 13244 + 172 = 13416
Step 79: 13416 + 172 = 13588
Step 80: 13588 + 172 = 13760
Step 81: 13760 + 172 = 13932
Step 82: 13932 + 172 = 14104
Step 83: 14104 + 172 = 14276
Step 84: 14276 + 172 = 14448
Step 85: 14448 + 172 = 14620
Step 86: 14620 + 172 = 14792
Step 87: 14792 + 172 = 14964
Step 88: 14964 + 172 = 15136
Step 89: 15136 + 172 = 15308
Step 90: 15308 + 172 = 15480
Step 91: 15480 + 172 = 15652
Step 92: 15652 + 172 = 15824
Step 93: 15824 + 172 = 15996
Step 94: 15996 + 172 = 16168
Step 95: 16168 + 172 = 16340
Step 96: 16340 + 172 = 16512
Step 97: 16512 + 172 = 16684
Step 98: 16684 + 172 = 16856
Step 99: 16856 + 172 = 17028
Step 100: 17028 + 172 = 17200
Step 101: 17200 + 172 = 17372
Step 102: 17372 + 172 = 17544
Step 103: 17544 + 172 = 17716
Step 104: 17716 + 172 = 17888
Step 105: 17888 + 172 = 18060
Step 106: 18060 + 172 = 18232
Step 107: 18232 + 172 = 18404
Step 108: 18404 + 172 = 18576
Step 109: 18576 + 172 = 18748
Step 110: 18748 + 172 = 18920
Step 111: 18920 + 172 = 19092
Step 112: 19092 + 172 = 19264
Step 113: 19264 + 172 = 19436
Step 114: 19436 + 172 = 19608
Step 115: 19608 + 172 = 19780
Step 116: 19780 + 172 = 19952
Step 117: 19952 + 172 = 20124
Step 118: 20124 + 172 = 20296
Step 119: 20296 + 172 = 20468
Step 120: 20468 + 172 = 20640
Step 121: 20640 + 172 = 20812
Step 122: 20812 + 172 = 20984
Step 123: 20984 + 172 = 21156
Step 124: 21156 + 172 = 21328
Step 125: 21328 + 172 = 21500
Step 126: 21500 + 172 = 21672
Step 127: 21672 + 172 = 21844
Step 128: 21844 + 172 = 22016
Step 129: 22016 + 172 = 22188
Step 130: 22188 + 172 = 22360
Step 131: 22360 + 172 = 22532
Step 132: 22532 + 172 = 22704
Step 133: 22704 + 172 = 22876
Step 134: 22876 + 172 = 23048
Step 135: 23048 + 172 = 23220
Step 136: 23220 + 172 = 23392
Step 137: 23392 + 172 = 23564
Step 138: 23564 + 172 = 23736
Step 139: 23736 + 172 = 23908
Step 140: 23908 + 172 = 24080
Step 141: 24080 + 172 = 24252
Step 142: 24252 + 172 = 24424
Step 143: 24424 + 172 = 24596
Step 144: 24596 + 172 = 24768
Step 145: 24768 + 172 = 24940
Step 146: 24940 + 172 = 25112
Step 147: 25112 + 172 = 25284
Step 148: 25284 + 172 = 25456
Step 149: 25456 + 172 = 25628
Step 150: 25628 + 172 = 25800
Step 151: 25800 + 172 = 25972
Step 152: 25972 + 172 = 26144
Step 153: 26144 + 172 = 26316
Step 154: 26316 + 172 = 26488
Step 155: 26488 + 172 = 26660
Step 156: 26660 + 172 = 26832
Step 157: 26832 + 172 = 27004
Step 158: 27004 + 172 = 27176
Step 159: 27176 + 172 = 27348
Step 160: 27348 + 172 = 27520
Step 161: 27520 + 172 = 27692
Step 162: 27692 + 172 = 27864
Step 163: 27864 + 172 = 28036
Step 164: 28036 + 172 = 28208
Step 165: 28208 + 172 = 28380
Step 166: 28380 + 172 = 28552
Step 167: 28552 + 172 = 28724
Step 168: 28724 + 172 = 28896
Step 169: 28896 + 172 = 29068
Step 170: 29068 + 172 = 29240
Step 171: 29240 + 172 = 29412
Step 172: 29412 + 172 = 29584
Step 173: 29584 + 172 = 29756
Step 174: 29756 + 172 = 29928
Step 175: 29928 + 172 = 30100
Step 176: 30100 + 172 = 30272
Step 177: 30272 + 172 = 30444
Step 178: 30444 + 172 = 30616
Step 179: 30616 + 172 = 30788
Step 180: 30788 + 172 = 30960
Step 181: 30960 + 172 = 31132
Step 182: 31132 + 172 = 31304
Step 183: 31304 + 172 = 31476
Step 184: 31476 + 172 = 31648
Step 185: 31648 + 172 = 31820
Step 186: 31820 + 172 = 31992
Step 187: 31992 + 172 = 32164
Step 188: 32164 + 172 = 32336
Step 189: 32336 + 172 = 32508
Step 190: 32508 + 172 = 32680
Step 191: 32680 + 172 = 32852
Step 192: 32852 + 172 = 33024
Step 193: 33024 + 172 = 33196
Step 194: 33196 + 172 = 33368
Step 195: 33368 + 172 = 33540
Step 196: 33540 + 172 = 33712
Step 197: 33712 + 172 = 33884
Step 198: 33884 + 172 = 34056
Step 199: 34056 + 172 = 34228
Step 200: 34228 + 172 = 34400
Step 201: 34400 + 172 = 34572
Step 202: 34572 + 172 = 34744
Step 203: 34744 + 172 = 34916
Step 204: 34916 + 172 = 35088
Step 205: 35088 + 172 = 35260
Step 206: 35260 + 172 = 35432
Step 207: 35432 + 172 = 35604
Step 208: 35604 + 172 = 35776
Step 209: 35776 + 172 = 35948
Step 210: 35948 + 172 = 36120
Step 211: 36120 + 172 = 36292
Step 212: 36292 + 172 = 36464
Step 213: 36464 + 172 = 36636
Step 214: 36636 + 172 = 36808
Step 215: 36808 + 172 = 36980
Step 216: 36980 + 172 = 37152

So, 172*216 = 37152