Alright, let's solve this math problem step by step. First, we have the number 398. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 263. So, we're going to take the number 398 and add it to itself 263 times.
Step 1: 0 + 398 = 398
Step 2: 398 + 398 = 796
Step 3: 796 + 398 = 1194
Step 4: 1194 + 398 = 1592
Step 5: 1592 + 398 = 1990
Step 6: 1990 + 398 = 2388
Step 7: 2388 + 398 = 2786
Step 8: 2786 + 398 = 3184
Step 9: 3184 + 398 = 3582
Step 10: 3582 + 398 = 3980
Step 11: 3980 + 398 = 4378
Step 12: 4378 + 398 = 4776
Step 13: 4776 + 398 = 5174
Step 14: 5174 + 398 = 5572
Step 15: 5572 + 398 = 5970
Step 16: 5970 + 398 = 6368
Step 17: 6368 + 398 = 6766
Step 18: 6766 + 398 = 7164
Step 19: 7164 + 398 = 7562
Step 20: 7562 + 398 = 7960
Step 21: 7960 + 398 = 8358
Step 22: 8358 + 398 = 8756
Step 23: 8756 + 398 = 9154
Step 24: 9154 + 398 = 9552
Step 25: 9552 + 398 = 9950
Step 26: 9950 + 398 = 10348
Step 27: 10348 + 398 = 10746
Step 28: 10746 + 398 = 11144
Step 29: 11144 + 398 = 11542
Step 30: 11542 + 398 = 11940
Step 31: 11940 + 398 = 12338
Step 32: 12338 + 398 = 12736
Step 33: 12736 + 398 = 13134
Step 34: 13134 + 398 = 13532
Step 35: 13532 + 398 = 13930
Step 36: 13930 + 398 = 14328
Step 37: 14328 + 398 = 14726
Step 38: 14726 + 398 = 15124
Step 39: 15124 + 398 = 15522
Step 40: 15522 + 398 = 15920
Step 41: 15920 + 398 = 16318
Step 42: 16318 + 398 = 16716
Step 43: 16716 + 398 = 17114
Step 44: 17114 + 398 = 17512
Step 45: 17512 + 398 = 17910
Step 46: 17910 + 398 = 18308
Step 47: 18308 + 398 = 18706
Step 48: 18706 + 398 = 19104
Step 49: 19104 + 398 = 19502
Step 50: 19502 + 398 = 19900
Step 51: 19900 + 398 = 20298
Step 52: 20298 + 398 = 20696
Step 53: 20696 + 398 = 21094
Step 54: 21094 + 398 = 21492
Step 55: 21492 + 398 = 21890
Step 56: 21890 + 398 = 22288
Step 57: 22288 + 398 = 22686
Step 58: 22686 + 398 = 23084
Step 59: 23084 + 398 = 23482
Step 60: 23482 + 398 = 23880
Step 61: 23880 + 398 = 24278
Step 62: 24278 + 398 = 24676
Step 63: 24676 + 398 = 25074
Step 64: 25074 + 398 = 25472
Step 65: 25472 + 398 = 25870
Step 66: 25870 + 398 = 26268
Step 67: 26268 + 398 = 26666
Step 68: 26666 + 398 = 27064
Step 69: 27064 + 398 = 27462
Step 70: 27462 + 398 = 27860
Step 71: 27860 + 398 = 28258
Step 72: 28258 + 398 = 28656
Step 73: 28656 + 398 = 29054
Step 74: 29054 + 398 = 29452
Step 75: 29452 + 398 = 29850
Step 76: 29850 + 398 = 30248
Step 77: 30248 + 398 = 30646
Step 78: 30646 + 398 = 31044
Step 79: 31044 + 398 = 31442
Step 80: 31442 + 398 = 31840
Step 81: 31840 + 398 = 32238
Step 82: 32238 + 398 = 32636
Step 83: 32636 + 398 = 33034
Step 84: 33034 + 398 = 33432
Step 85: 33432 + 398 = 33830
Step 86: 33830 + 398 = 34228
Step 87: 34228 + 398 = 34626
Step 88: 34626 + 398 = 35024
Step 89: 35024 + 398 = 35422
Step 90: 35422 + 398 = 35820
Step 91: 35820 + 398 = 36218
Step 92: 36218 + 398 = 36616
Step 93: 36616 + 398 = 37014
Step 94: 37014 + 398 = 37412
Step 95: 37412 + 398 = 37810
Step 96: 37810 + 398 = 38208
Step 97: 38208 + 398 = 38606
Step 98: 38606 + 398 = 39004
Step 99: 39004 + 398 = 39402
Step 100: 39402 + 398 = 39800
Step 101: 39800 + 398 = 40198
Step 102: 40198 + 398 = 40596
Step 103: 40596 + 398 = 40994
Step 104: 40994 + 398 = 41392
Step 105: 41392 + 398 = 41790
Step 106: 41790 + 398 = 42188
Step 107: 42188 + 398 = 42586
Step 108: 42586 + 398 = 42984
Step 109: 42984 + 398 = 43382
Step 110: 43382 + 398 = 43780
Step 111: 43780 + 398 = 44178
Step 112: 44178 + 398 = 44576
Step 113: 44576 + 398 = 44974
Step 114: 44974 + 398 = 45372
Step 115: 45372 + 398 = 45770
Step 116: 45770 + 398 = 46168
Step 117: 46168 + 398 = 46566
Step 118: 46566 + 398 = 46964
Step 119: 46964 + 398 = 47362
Step 120: 47362 + 398 = 47760
Step 121: 47760 + 398 = 48158
Step 122: 48158 + 398 = 48556
Step 123: 48556 + 398 = 48954
Step 124: 48954 + 398 = 49352
Step 125: 49352 + 398 = 49750
Step 126: 49750 + 398 = 50148
Step 127: 50148 + 398 = 50546
Step 128: 50546 + 398 = 50944
Step 129: 50944 + 398 = 51342
Step 130: 51342 + 398 = 51740
Step 131: 51740 + 398 = 52138
Step 132: 52138 + 398 = 52536
Step 133: 52536 + 398 = 52934
Step 134: 52934 + 398 = 53332
Step 135: 53332 + 398 = 53730
Step 136: 53730 + 398 = 54128
Step 137: 54128 + 398 = 54526
Step 138: 54526 + 398 = 54924
Step 139: 54924 + 398 = 55322
Step 140: 55322 + 398 = 55720
Step 141: 55720 + 398 = 56118
Step 142: 56118 + 398 = 56516
Step 143: 56516 + 398 = 56914
Step 144: 56914 + 398 = 57312
Step 145: 57312 + 398 = 57710
Step 146: 57710 + 398 = 58108
Step 147: 58108 + 398 = 58506
Step 148: 58506 + 398 = 58904
Step 149: 58904 + 398 = 59302
Step 150: 59302 + 398 = 59700
Step 151: 59700 + 398 = 60098
Step 152: 60098 + 398 = 60496
Step 153: 60496 + 398 = 60894
Step 154: 60894 + 398 = 61292
Step 155: 61292 + 398 = 61690
Step 156: 61690 + 398 = 62088
Step 157: 62088 + 398 = 62486
Step 158: 62486 + 398 = 62884
Step 159: 62884 + 398 = 63282
Step 160: 63282 + 398 = 63680
Step 161: 63680 + 398 = 64078
Step 162: 64078 + 398 = 64476
Step 163: 64476 + 398 = 64874
Step 164: 64874 + 398 = 65272
Step 165: 65272 + 398 = 65670
Step 166: 65670 + 398 = 66068
Step 167: 66068 + 398 = 66466
Step 168: 66466 + 398 = 66864
Step 169: 66864 + 398 = 67262
Step 170: 67262 + 398 = 67660
Step 171: 67660 + 398 = 68058
Step 172: 68058 + 398 = 68456
Step 173: 68456 + 398 = 68854
Step 174: 68854 + 398 = 69252
Step 175: 69252 + 398 = 69650
Step 176: 69650 + 398 = 70048
Step 177: 70048 + 398 = 70446
Step 178: 70446 + 398 = 70844
Step 179: 70844 + 398 = 71242
Step 180: 71242 + 398 = 71640
Step 181: 71640 + 398 = 72038
Step 182: 72038 + 398 = 72436
Step 183: 72436 + 398 = 72834
Step 184: 72834 + 398 = 73232
Step 185: 73232 + 398 = 73630
Step 186: 73630 + 398 = 74028
Step 187: 74028 + 398 = 74426
Step 188: 74426 + 398 = 74824
Step 189: 74824 + 398 = 75222
Step 190: 75222 + 398 = 75620
Step 191: 75620 + 398 = 76018
Step 192: 76018 + 398 = 76416
Step 193: 76416 + 398 = 76814
Step 194: 76814 + 398 = 77212
Step 195: 77212 + 398 = 77610
Step 196: 77610 + 398 = 78008
Step 197: 78008 + 398 = 78406
Step 198: 78406 + 398 = 78804
Step 199: 78804 + 398 = 79202
Step 200: 79202 + 398 = 79600
Step 201: 79600 + 398 = 79998
Step 202: 79998 + 398 = 80396
Step 203: 80396 + 398 = 80794
Step 204: 80794 + 398 = 81192
Step 205: 81192 + 398 = 81590
Step 206: 81590 + 398 = 81988
Step 207: 81988 + 398 = 82386
Step 208: 82386 + 398 = 82784
Step 209: 82784 + 398 = 83182
Step 210: 83182 + 398 = 83580
Step 211: 83580 + 398 = 83978
Step 212: 83978 + 398 = 84376
Step 213: 84376 + 398 = 84774
Step 214: 84774 + 398 = 85172
Step 215: 85172 + 398 = 85570
Step 216: 85570 + 398 = 85968
Step 217: 85968 + 398 = 86366
Step 218: 86366 + 398 = 86764
Step 219: 86764 + 398 = 87162
Step 220: 87162 + 398 = 87560
Step 221: 87560 + 398 = 87958
Step 222: 87958 + 398 = 88356
Step 223: 88356 + 398 = 88754
Step 224: 88754 + 398 = 89152
Step 225: 89152 + 398 = 89550
Step 226: 89550 + 398 = 89948
Step 227: 89948 + 398 = 90346
Step 228: 90346 + 398 = 90744
Step 229: 90744 + 398 = 91142
Step 230: 91142 + 398 = 91540
Step 231: 91540 + 398 = 91938
Step 232: 91938 + 398 = 92336
Step 233: 92336 + 398 = 92734
Step 234: 92734 + 398 = 93132
Step 235: 93132 + 398 = 93530
Step 236: 93530 + 398 = 93928
Step 237: 93928 + 398 = 94326
Step 238: 94326 + 398 = 94724
Step 239: 94724 + 398 = 95122
Step 240: 95122 + 398 = 95520
Step 241: 95520 + 398 = 95918
Step 242: 95918 + 398 = 96316
Step 243: 96316 + 398 = 96714
Step 244: 96714 + 398 = 97112
Step 245: 97112 + 398 = 97510
Step 246: 97510 + 398 = 97908
Step 247: 97908 + 398 = 98306
Step 248: 98306 + 398 = 98704
Step 249: 98704 + 398 = 99102
Step 250: 99102 + 398 = 99500
Step 251: 99500 + 398 = 99898
Step 252: 99898 + 398 = 100296
Step 253: 100296 + 398 = 100694
Step 254: 100694 + 398 = 101092
Step 255: 101092 + 398 = 101490
Step 256: 101490 + 398 = 101888
Step 257: 101888 + 398 = 102286
Step 258: 102286 + 398 = 102684
Step 259: 102684 + 398 = 103082
Step 260: 103082 + 398 = 103480
Step 261: 103480 + 398 = 103878
Step 262: 103878 + 398 = 104276
Step 263: 104276 + 398 = 104674

So, 398*263 = 104674