Alright, let's solve this math problem step by step. First, we have the number 123. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 326. So, we're going to take the number 123 and add it to itself 326 times.
Step 1: 0 + 123 = 123
Step 2: 123 + 123 = 246
Step 3: 246 + 123 = 369
Step 4: 369 + 123 = 492
Step 5: 492 + 123 = 615
Step 6: 615 + 123 = 738
Step 7: 738 + 123 = 861
Step 8: 861 + 123 = 984
Step 9: 984 + 123 = 1107
Step 10: 1107 + 123 = 1230
Step 11: 1230 + 123 = 1353
Step 12: 1353 + 123 = 1476
Step 13: 1476 + 123 = 1599
Step 14: 1599 + 123 = 1722
Step 15: 1722 + 123 = 1845
Step 16: 1845 + 123 = 1968
Step 17: 1968 + 123 = 2091
Step 18: 2091 + 123 = 2214
Step 19: 2214 + 123 = 2337
Step 20: 2337 + 123 = 2460
Step 21: 2460 + 123 = 2583
Step 22: 2583 + 123 = 2706
Step 23: 2706 + 123 = 2829
Step 24: 2829 + 123 = 2952
Step 25: 2952 + 123 = 3075
Step 26: 3075 + 123 = 3198
Step 27: 3198 + 123 = 3321
Step 28: 3321 + 123 = 3444
Step 29: 3444 + 123 = 3567
Step 30: 3567 + 123 = 3690
Step 31: 3690 + 123 = 3813
Step 32: 3813 + 123 = 3936
Step 33: 3936 + 123 = 4059
Step 34: 4059 + 123 = 4182
Step 35: 4182 + 123 = 4305
Step 36: 4305 + 123 = 4428
Step 37: 4428 + 123 = 4551
Step 38: 4551 + 123 = 4674
Step 39: 4674 + 123 = 4797
Step 40: 4797 + 123 = 4920
Step 41: 4920 + 123 = 5043
Step 42: 5043 + 123 = 5166
Step 43: 5166 + 123 = 5289
Step 44: 5289 + 123 = 5412
Step 45: 5412 + 123 = 5535
Step 46: 5535 + 123 = 5658
Step 47: 5658 + 123 = 5781
Step 48: 5781 + 123 = 5904
Step 49: 5904 + 123 = 6027
Step 50: 6027 + 123 = 6150
Step 51: 6150 + 123 = 6273
Step 52: 6273 + 123 = 6396
Step 53: 6396 + 123 = 6519
Step 54: 6519 + 123 = 6642
Step 55: 6642 + 123 = 6765
Step 56: 6765 + 123 = 6888
Step 57: 6888 + 123 = 7011
Step 58: 7011 + 123 = 7134
Step 59: 7134 + 123 = 7257
Step 60: 7257 + 123 = 7380
Step 61: 7380 + 123 = 7503
Step 62: 7503 + 123 = 7626
Step 63: 7626 + 123 = 7749
Step 64: 7749 + 123 = 7872
Step 65: 7872 + 123 = 7995
Step 66: 7995 + 123 = 8118
Step 67: 8118 + 123 = 8241
Step 68: 8241 + 123 = 8364
Step 69: 8364 + 123 = 8487
Step 70: 8487 + 123 = 8610
Step 71: 8610 + 123 = 8733
Step 72: 8733 + 123 = 8856
Step 73: 8856 + 123 = 8979
Step 74: 8979 + 123 = 9102
Step 75: 9102 + 123 = 9225
Step 76: 9225 + 123 = 9348
Step 77: 9348 + 123 = 9471
Step 78: 9471 + 123 = 9594
Step 79: 9594 + 123 = 9717
Step 80: 9717 + 123 = 9840
Step 81: 9840 + 123 = 9963
Step 82: 9963 + 123 = 10086
Step 83: 10086 + 123 = 10209
Step 84: 10209 + 123 = 10332
Step 85: 10332 + 123 = 10455
Step 86: 10455 + 123 = 10578
Step 87: 10578 + 123 = 10701
Step 88: 10701 + 123 = 10824
Step 89: 10824 + 123 = 10947
Step 90: 10947 + 123 = 11070
Step 91: 11070 + 123 = 11193
Step 92: 11193 + 123 = 11316
Step 93: 11316 + 123 = 11439
Step 94: 11439 + 123 = 11562
Step 95: 11562 + 123 = 11685
Step 96: 11685 + 123 = 11808
Step 97: 11808 + 123 = 11931
Step 98: 11931 + 123 = 12054
Step 99: 12054 + 123 = 12177
Step 100: 12177 + 123 = 12300
Step 101: 12300 + 123 = 12423
Step 102: 12423 + 123 = 12546
Step 103: 12546 + 123 = 12669
Step 104: 12669 + 123 = 12792
Step 105: 12792 + 123 = 12915
Step 106: 12915 + 123 = 13038
Step 107: 13038 + 123 = 13161
Step 108: 13161 + 123 = 13284
Step 109: 13284 + 123 = 13407
Step 110: 13407 + 123 = 13530
Step 111: 13530 + 123 = 13653
Step 112: 13653 + 123 = 13776
Step 113: 13776 + 123 = 13899
Step 114: 13899 + 123 = 14022
Step 115: 14022 + 123 = 14145
Step 116: 14145 + 123 = 14268
Step 117: 14268 + 123 = 14391
Step 118: 14391 + 123 = 14514
Step 119: 14514 + 123 = 14637
Step 120: 14637 + 123 = 14760
Step 121: 14760 + 123 = 14883
Step 122: 14883 + 123 = 15006
Step 123: 15006 + 123 = 15129
Step 124: 15129 + 123 = 15252
Step 125: 15252 + 123 = 15375
Step 126: 15375 + 123 = 15498
Step 127: 15498 + 123 = 15621
Step 128: 15621 + 123 = 15744
Step 129: 15744 + 123 = 15867
Step 130: 15867 + 123 = 15990
Step 131: 15990 + 123 = 16113
Step 132: 16113 + 123 = 16236
Step 133: 16236 + 123 = 16359
Step 134: 16359 + 123 = 16482
Step 135: 16482 + 123 = 16605
Step 136: 16605 + 123 = 16728
Step 137: 16728 + 123 = 16851
Step 138: 16851 + 123 = 16974
Step 139: 16974 + 123 = 17097
Step 140: 17097 + 123 = 17220
Step 141: 17220 + 123 = 17343
Step 142: 17343 + 123 = 17466
Step 143: 17466 + 123 = 17589
Step 144: 17589 + 123 = 17712
Step 145: 17712 + 123 = 17835
Step 146: 17835 + 123 = 17958
Step 147: 17958 + 123 = 18081
Step 148: 18081 + 123 = 18204
Step 149: 18204 + 123 = 18327
Step 150: 18327 + 123 = 18450
Step 151: 18450 + 123 = 18573
Step 152: 18573 + 123 = 18696
Step 153: 18696 + 123 = 18819
Step 154: 18819 + 123 = 18942
Step 155: 18942 + 123 = 19065
Step 156: 19065 + 123 = 19188
Step 157: 19188 + 123 = 19311
Step 158: 19311 + 123 = 19434
Step 159: 19434 + 123 = 19557
Step 160: 19557 + 123 = 19680
Step 161: 19680 + 123 = 19803
Step 162: 19803 + 123 = 19926
Step 163: 19926 + 123 = 20049
Step 164: 20049 + 123 = 20172
Step 165: 20172 + 123 = 20295
Step 166: 20295 + 123 = 20418
Step 167: 20418 + 123 = 20541
Step 168: 20541 + 123 = 20664
Step 169: 20664 + 123 = 20787
Step 170: 20787 + 123 = 20910
Step 171: 20910 + 123 = 21033
Step 172: 21033 + 123 = 21156
Step 173: 21156 + 123 = 21279
Step 174: 21279 + 123 = 21402
Step 175: 21402 + 123 = 21525
Step 176: 21525 + 123 = 21648
Step 177: 21648 + 123 = 21771
Step 178: 21771 + 123 = 21894
Step 179: 21894 + 123 = 22017
Step 180: 22017 + 123 = 22140
Step 181: 22140 + 123 = 22263
Step 182: 22263 + 123 = 22386
Step 183: 22386 + 123 = 22509
Step 184: 22509 + 123 = 22632
Step 185: 22632 + 123 = 22755
Step 186: 22755 + 123 = 22878
Step 187: 22878 + 123 = 23001
Step 188: 23001 + 123 = 23124
Step 189: 23124 + 123 = 23247
Step 190: 23247 + 123 = 23370
Step 191: 23370 + 123 = 23493
Step 192: 23493 + 123 = 23616
Step 193: 23616 + 123 = 23739
Step 194: 23739 + 123 = 23862
Step 195: 23862 + 123 = 23985
Step 196: 23985 + 123 = 24108
Step 197: 24108 + 123 = 24231
Step 198: 24231 + 123 = 24354
Step 199: 24354 + 123 = 24477
Step 200: 24477 + 123 = 24600
Step 201: 24600 + 123 = 24723
Step 202: 24723 + 123 = 24846
Step 203: 24846 + 123 = 24969
Step 204: 24969 + 123 = 25092
Step 205: 25092 + 123 = 25215
Step 206: 25215 + 123 = 25338
Step 207: 25338 + 123 = 25461
Step 208: 25461 + 123 = 25584
Step 209: 25584 + 123 = 25707
Step 210: 25707 + 123 = 25830
Step 211: 25830 + 123 = 25953
Step 212: 25953 + 123 = 26076
Step 213: 26076 + 123 = 26199
Step 214: 26199 + 123 = 26322
Step 215: 26322 + 123 = 26445
Step 216: 26445 + 123 = 26568
Step 217: 26568 + 123 = 26691
Step 218: 26691 + 123 = 26814
Step 219: 26814 + 123 = 26937
Step 220: 26937 + 123 = 27060
Step 221: 27060 + 123 = 27183
Step 222: 27183 + 123 = 27306
Step 223: 27306 + 123 = 27429
Step 224: 27429 + 123 = 27552
Step 225: 27552 + 123 = 27675
Step 226: 27675 + 123 = 27798
Step 227: 27798 + 123 = 27921
Step 228: 27921 + 123 = 28044
Step 229: 28044 + 123 = 28167
Step 230: 28167 + 123 = 28290
Step 231: 28290 + 123 = 28413
Step 232: 28413 + 123 = 28536
Step 233: 28536 + 123 = 28659
Step 234: 28659 + 123 = 28782
Step 235: 28782 + 123 = 28905
Step 236: 28905 + 123 = 29028
Step 237: 29028 + 123 = 29151
Step 238: 29151 + 123 = 29274
Step 239: 29274 + 123 = 29397
Step 240: 29397 + 123 = 29520
Step 241: 29520 + 123 = 29643
Step 242: 29643 + 123 = 29766
Step 243: 29766 + 123 = 29889
Step 244: 29889 + 123 = 30012
Step 245: 30012 + 123 = 30135
Step 246: 30135 + 123 = 30258
Step 247: 30258 + 123 = 30381
Step 248: 30381 + 123 = 30504
Step 249: 30504 + 123 = 30627
Step 250: 30627 + 123 = 30750
Step 251: 30750 + 123 = 30873
Step 252: 30873 + 123 = 30996
Step 253: 30996 + 123 = 31119
Step 254: 31119 + 123 = 31242
Step 255: 31242 + 123 = 31365
Step 256: 31365 + 123 = 31488
Step 257: 31488 + 123 = 31611
Step 258: 31611 + 123 = 31734
Step 259: 31734 + 123 = 31857
Step 260: 31857 + 123 = 31980
Step 261: 31980 + 123 = 32103
Step 262: 32103 + 123 = 32226
Step 263: 32226 + 123 = 32349
Step 264: 32349 + 123 = 32472
Step 265: 32472 + 123 = 32595
Step 266: 32595 + 123 = 32718
Step 267: 32718 + 123 = 32841
Step 268: 32841 + 123 = 32964
Step 269: 32964 + 123 = 33087
Step 270: 33087 + 123 = 33210
Step 271: 33210 + 123 = 33333
Step 272: 33333 + 123 = 33456
Step 273: 33456 + 123 = 33579
Step 274: 33579 + 123 = 33702
Step 275: 33702 + 123 = 33825
Step 276: 33825 + 123 = 33948
Step 277: 33948 + 123 = 34071
Step 278: 34071 + 123 = 34194
Step 279: 34194 + 123 = 34317
Step 280: 34317 + 123 = 34440
Step 281: 34440 + 123 = 34563
Step 282: 34563 + 123 = 34686
Step 283: 34686 + 123 = 34809
Step 284: 34809 + 123 = 34932
Step 285: 34932 + 123 = 35055
Step 286: 35055 + 123 = 35178
Step 287: 35178 + 123 = 35301
Step 288: 35301 + 123 = 35424
Step 289: 35424 + 123 = 35547
Step 290: 35547 + 123 = 35670
Step 291: 35670 + 123 = 35793
Step 292: 35793 + 123 = 35916
Step 293: 35916 + 123 = 36039
Step 294: 36039 + 123 = 36162
Step 295: 36162 + 123 = 36285
Step 296: 36285 + 123 = 36408
Step 297: 36408 + 123 = 36531
Step 298: 36531 + 123 = 36654
Step 299: 36654 + 123 = 36777
Step 300: 36777 + 123 = 36900
Step 301: 36900 + 123 = 37023
Step 302: 37023 + 123 = 37146
Step 303: 37146 + 123 = 37269
Step 304: 37269 + 123 = 37392
Step 305: 37392 + 123 = 37515
Step 306: 37515 + 123 = 37638
Step 307: 37638 + 123 = 37761
Step 308: 37761 + 123 = 37884
Step 309: 37884 + 123 = 38007
Step 310: 38007 + 123 = 38130
Step 311: 38130 + 123 = 38253
Step 312: 38253 + 123 = 38376
Step 313: 38376 + 123 = 38499
Step 314: 38499 + 123 = 38622
Step 315: 38622 + 123 = 38745
Step 316: 38745 + 123 = 38868
Step 317: 38868 + 123 = 38991
Step 318: 38991 + 123 = 39114
Step 319: 39114 + 123 = 39237
Step 320: 39237 + 123 = 39360
Step 321: 39360 + 123 = 39483
Step 322: 39483 + 123 = 39606
Step 323: 39606 + 123 = 39729
Step 324: 39729 + 123 = 39852
Step 325: 39852 + 123 = 39975
Step 326: 39975 + 123 = 40098

So, 123*326 = 40098