Alright, let's solve this math problem step by step. First, we have the number 413. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 403. So, we're going to take the number 413 and add it to itself 403 times.
Step 1: 0 + 413 = 413
Step 2: 413 + 413 = 826
Step 3: 826 + 413 = 1239
Step 4: 1239 + 413 = 1652
Step 5: 1652 + 413 = 2065
Step 6: 2065 + 413 = 2478
Step 7: 2478 + 413 = 2891
Step 8: 2891 + 413 = 3304
Step 9: 3304 + 413 = 3717
Step 10: 3717 + 413 = 4130
Step 11: 4130 + 413 = 4543
Step 12: 4543 + 413 = 4956
Step 13: 4956 + 413 = 5369
Step 14: 5369 + 413 = 5782
Step 15: 5782 + 413 = 6195
Step 16: 6195 + 413 = 6608
Step 17: 6608 + 413 = 7021
Step 18: 7021 + 413 = 7434
Step 19: 7434 + 413 = 7847
Step 20: 7847 + 413 = 8260
Step 21: 8260 + 413 = 8673
Step 22: 8673 + 413 = 9086
Step 23: 9086 + 413 = 9499
Step 24: 9499 + 413 = 9912
Step 25: 9912 + 413 = 10325
Step 26: 10325 + 413 = 10738
Step 27: 10738 + 413 = 11151
Step 28: 11151 + 413 = 11564
Step 29: 11564 + 413 = 11977
Step 30: 11977 + 413 = 12390
Step 31: 12390 + 413 = 12803
Step 32: 12803 + 413 = 13216
Step 33: 13216 + 413 = 13629
Step 34: 13629 + 413 = 14042
Step 35: 14042 + 413 = 14455
Step 36: 14455 + 413 = 14868
Step 37: 14868 + 413 = 15281
Step 38: 15281 + 413 = 15694
Step 39: 15694 + 413 = 16107
Step 40: 16107 + 413 = 16520
Step 41: 16520 + 413 = 16933
Step 42: 16933 + 413 = 17346
Step 43: 17346 + 413 = 17759
Step 44: 17759 + 413 = 18172
Step 45: 18172 + 413 = 18585
Step 46: 18585 + 413 = 18998
Step 47: 18998 + 413 = 19411
Step 48: 19411 + 413 = 19824
Step 49: 19824 + 413 = 20237
Step 50: 20237 + 413 = 20650
Step 51: 20650 + 413 = 21063
Step 52: 21063 + 413 = 21476
Step 53: 21476 + 413 = 21889
Step 54: 21889 + 413 = 22302
Step 55: 22302 + 413 = 22715
Step 56: 22715 + 413 = 23128
Step 57: 23128 + 413 = 23541
Step 58: 23541 + 413 = 23954
Step 59: 23954 + 413 = 24367
Step 60: 24367 + 413 = 24780
Step 61: 24780 + 413 = 25193
Step 62: 25193 + 413 = 25606
Step 63: 25606 + 413 = 26019
Step 64: 26019 + 413 = 26432
Step 65: 26432 + 413 = 26845
Step 66: 26845 + 413 = 27258
Step 67: 27258 + 413 = 27671
Step 68: 27671 + 413 = 28084
Step 69: 28084 + 413 = 28497
Step 70: 28497 + 413 = 28910
Step 71: 28910 + 413 = 29323
Step 72: 29323 + 413 = 29736
Step 73: 29736 + 413 = 30149
Step 74: 30149 + 413 = 30562
Step 75: 30562 + 413 = 30975
Step 76: 30975 + 413 = 31388
Step 77: 31388 + 413 = 31801
Step 78: 31801 + 413 = 32214
Step 79: 32214 + 413 = 32627
Step 80: 32627 + 413 = 33040
Step 81: 33040 + 413 = 33453
Step 82: 33453 + 413 = 33866
Step 83: 33866 + 413 = 34279
Step 84: 34279 + 413 = 34692
Step 85: 34692 + 413 = 35105
Step 86: 35105 + 413 = 35518
Step 87: 35518 + 413 = 35931
Step 88: 35931 + 413 = 36344
Step 89: 36344 + 413 = 36757
Step 90: 36757 + 413 = 37170
Step 91: 37170 + 413 = 37583
Step 92: 37583 + 413 = 37996
Step 93: 37996 + 413 = 38409
Step 94: 38409 + 413 = 38822
Step 95: 38822 + 413 = 39235
Step 96: 39235 + 413 = 39648
Step 97: 39648 + 413 = 40061
Step 98: 40061 + 413 = 40474
Step 99: 40474 + 413 = 40887
Step 100: 40887 + 413 = 41300
Step 101: 41300 + 413 = 41713
Step 102: 41713 + 413 = 42126
Step 103: 42126 + 413 = 42539
Step 104: 42539 + 413 = 42952
Step 105: 42952 + 413 = 43365
Step 106: 43365 + 413 = 43778
Step 107: 43778 + 413 = 44191
Step 108: 44191 + 413 = 44604
Step 109: 44604 + 413 = 45017
Step 110: 45017 + 413 = 45430
Step 111: 45430 + 413 = 45843
Step 112: 45843 + 413 = 46256
Step 113: 46256 + 413 = 46669
Step 114: 46669 + 413 = 47082
Step 115: 47082 + 413 = 47495
Step 116: 47495 + 413 = 47908
Step 117: 47908 + 413 = 48321
Step 118: 48321 + 413 = 48734
Step 119: 48734 + 413 = 49147
Step 120: 49147 + 413 = 49560
Step 121: 49560 + 413 = 49973
Step 122: 49973 + 413 = 50386
Step 123: 50386 + 413 = 50799
Step 124: 50799 + 413 = 51212
Step 125: 51212 + 413 = 51625
Step 126: 51625 + 413 = 52038
Step 127: 52038 + 413 = 52451
Step 128: 52451 + 413 = 52864
Step 129: 52864 + 413 = 53277
Step 130: 53277 + 413 = 53690
Step 131: 53690 + 413 = 54103
Step 132: 54103 + 413 = 54516
Step 133: 54516 + 413 = 54929
Step 134: 54929 + 413 = 55342
Step 135: 55342 + 413 = 55755
Step 136: 55755 + 413 = 56168
Step 137: 56168 + 413 = 56581
Step 138: 56581 + 413 = 56994
Step 139: 56994 + 413 = 57407
Step 140: 57407 + 413 = 57820
Step 141: 57820 + 413 = 58233
Step 142: 58233 + 413 = 58646
Step 143: 58646 + 413 = 59059
Step 144: 59059 + 413 = 59472
Step 145: 59472 + 413 = 59885
Step 146: 59885 + 413 = 60298
Step 147: 60298 + 413 = 60711
Step 148: 60711 + 413 = 61124
Step 149: 61124 + 413 = 61537
Step 150: 61537 + 413 = 61950
Step 151: 61950 + 413 = 62363
Step 152: 62363 + 413 = 62776
Step 153: 62776 + 413 = 63189
Step 154: 63189 + 413 = 63602
Step 155: 63602 + 413 = 64015
Step 156: 64015 + 413 = 64428
Step 157: 64428 + 413 = 64841
Step 158: 64841 + 413 = 65254
Step 159: 65254 + 413 = 65667
Step 160: 65667 + 413 = 66080
Step 161: 66080 + 413 = 66493
Step 162: 66493 + 413 = 66906
Step 163: 66906 + 413 = 67319
Step 164: 67319 + 413 = 67732
Step 165: 67732 + 413 = 68145
Step 166: 68145 + 413 = 68558
Step 167: 68558 + 413 = 68971
Step 168: 68971 + 413 = 69384
Step 169: 69384 + 413 = 69797
Step 170: 69797 + 413 = 70210
Step 171: 70210 + 413 = 70623
Step 172: 70623 + 413 = 71036
Step 173: 71036 + 413 = 71449
Step 174: 71449 + 413 = 71862
Step 175: 71862 + 413 = 72275
Step 176: 72275 + 413 = 72688
Step 177: 72688 + 413 = 73101
Step 178: 73101 + 413 = 73514
Step 179: 73514 + 413 = 73927
Step 180: 73927 + 413 = 74340
Step 181: 74340 + 413 = 74753
Step 182: 74753 + 413 = 75166
Step 183: 75166 + 413 = 75579
Step 184: 75579 + 413 = 75992
Step 185: 75992 + 413 = 76405
Step 186: 76405 + 413 = 76818
Step 187: 76818 + 413 = 77231
Step 188: 77231 + 413 = 77644
Step 189: 77644 + 413 = 78057
Step 190: 78057 + 413 = 78470
Step 191: 78470 + 413 = 78883
Step 192: 78883 + 413 = 79296
Step 193: 79296 + 413 = 79709
Step 194: 79709 + 413 = 80122
Step 195: 80122 + 413 = 80535
Step 196: 80535 + 413 = 80948
Step 197: 80948 + 413 = 81361
Step 198: 81361 + 413 = 81774
Step 199: 81774 + 413 = 82187
Step 200: 82187 + 413 = 82600
Step 201: 82600 + 413 = 83013
Step 202: 83013 + 413 = 83426
Step 203: 83426 + 413 = 83839
Step 204: 83839 + 413 = 84252
Step 205: 84252 + 413 = 84665
Step 206: 84665 + 413 = 85078
Step 207: 85078 + 413 = 85491
Step 208: 85491 + 413 = 85904
Step 209: 85904 + 413 = 86317
Step 210: 86317 + 413 = 86730
Step 211: 86730 + 413 = 87143
Step 212: 87143 + 413 = 87556
Step 213: 87556 + 413 = 87969
Step 214: 87969 + 413 = 88382
Step 215: 88382 + 413 = 88795
Step 216: 88795 + 413 = 89208
Step 217: 89208 + 413 = 89621
Step 218: 89621 + 413 = 90034
Step 219: 90034 + 413 = 90447
Step 220: 90447 + 413 = 90860
Step 221: 90860 + 413 = 91273
Step 222: 91273 + 413 = 91686
Step 223: 91686 + 413 = 92099
Step 224: 92099 + 413 = 92512
Step 225: 92512 + 413 = 92925
Step 226: 92925 + 413 = 93338
Step 227: 93338 + 413 = 93751
Step 228: 93751 + 413 = 94164
Step 229: 94164 + 413 = 94577
Step 230: 94577 + 413 = 94990
Step 231: 94990 + 413 = 95403
Step 232: 95403 + 413 = 95816
Step 233: 95816 + 413 = 96229
Step 234: 96229 + 413 = 96642
Step 235: 96642 + 413 = 97055
Step 236: 97055 + 413 = 97468
Step 237: 97468 + 413 = 97881
Step 238: 97881 + 413 = 98294
Step 239: 98294 + 413 = 98707
Step 240: 98707 + 413 = 99120
Step 241: 99120 + 413 = 99533
Step 242: 99533 + 413 = 99946
Step 243: 99946 + 413 = 100359
Step 244: 100359 + 413 = 100772
Step 245: 100772 + 413 = 101185
Step 246: 101185 + 413 = 101598
Step 247: 101598 + 413 = 102011
Step 248: 102011 + 413 = 102424
Step 249: 102424 + 413 = 102837
Step 250: 102837 + 413 = 103250
Step 251: 103250 + 413 = 103663
Step 252: 103663 + 413 = 104076
Step 253: 104076 + 413 = 104489
Step 254: 104489 + 413 = 104902
Step 255: 104902 + 413 = 105315
Step 256: 105315 + 413 = 105728
Step 257: 105728 + 413 = 106141
Step 258: 106141 + 413 = 106554
Step 259: 106554 + 413 = 106967
Step 260: 106967 + 413 = 107380
Step 261: 107380 + 413 = 107793
Step 262: 107793 + 413 = 108206
Step 263: 108206 + 413 = 108619
Step 264: 108619 + 413 = 109032
Step 265: 109032 + 413 = 109445
Step 266: 109445 + 413 = 109858
Step 267: 109858 + 413 = 110271
Step 268: 110271 + 413 = 110684
Step 269: 110684 + 413 = 111097
Step 270: 111097 + 413 = 111510
Step 271: 111510 + 413 = 111923
Step 272: 111923 + 413 = 112336
Step 273: 112336 + 413 = 112749
Step 274: 112749 + 413 = 113162
Step 275: 113162 + 413 = 113575
Step 276: 113575 + 413 = 113988
Step 277: 113988 + 413 = 114401
Step 278: 114401 + 413 = 114814
Step 279: 114814 + 413 = 115227
Step 280: 115227 + 413 = 115640
Step 281: 115640 + 413 = 116053
Step 282: 116053 + 413 = 116466
Step 283: 116466 + 413 = 116879
Step 284: 116879 + 413 = 117292
Step 285: 117292 + 413 = 117705
Step 286: 117705 + 413 = 118118
Step 287: 118118 + 413 = 118531
Step 288: 118531 + 413 = 118944
Step 289: 118944 + 413 = 119357
Step 290: 119357 + 413 = 119770
Step 291: 119770 + 413 = 120183
Step 292: 120183 + 413 = 120596
Step 293: 120596 + 413 = 121009
Step 294: 121009 + 413 = 121422
Step 295: 121422 + 413 = 121835
Step 296: 121835 + 413 = 122248
Step 297: 122248 + 413 = 122661
Step 298: 122661 + 413 = 123074
Step 299: 123074 + 413 = 123487
Step 300: 123487 + 413 = 123900
Step 301: 123900 + 413 = 124313
Step 302: 124313 + 413 = 124726
Step 303: 124726 + 413 = 125139
Step 304: 125139 + 413 = 125552
Step 305: 125552 + 413 = 125965
Step 306: 125965 + 413 = 126378
Step 307: 126378 + 413 = 126791
Step 308: 126791 + 413 = 127204
Step 309: 127204 + 413 = 127617
Step 310: 127617 + 413 = 128030
Step 311: 128030 + 413 = 128443
Step 312: 128443 + 413 = 128856
Step 313: 128856 + 413 = 129269
Step 314: 129269 + 413 = 129682
Step 315: 129682 + 413 = 130095
Step 316: 130095 + 413 = 130508
Step 317: 130508 + 413 = 130921
Step 318: 130921 + 413 = 131334
Step 319: 131334 + 413 = 131747
Step 320: 131747 + 413 = 132160
Step 321: 132160 + 413 = 132573
Step 322: 132573 + 413 = 132986
Step 323: 132986 + 413 = 133399
Step 324: 133399 + 413 = 133812
Step 325: 133812 + 413 = 134225
Step 326: 134225 + 413 = 134638
Step 327: 134638 + 413 = 135051
Step 328: 135051 + 413 = 135464
Step 329: 135464 + 413 = 135877
Step 330: 135877 + 413 = 136290
Step 331: 136290 + 413 = 136703
Step 332: 136703 + 413 = 137116
Step 333: 137116 + 413 = 137529
Step 334: 137529 + 413 = 137942
Step 335: 137942 + 413 = 138355
Step 336: 138355 + 413 = 138768
Step 337: 138768 + 413 = 139181
Step 338: 139181 + 413 = 139594
Step 339: 139594 + 413 = 140007
Step 340: 140007 + 413 = 140420
Step 341: 140420 + 413 = 140833
Step 342: 140833 + 413 = 141246
Step 343: 141246 + 413 = 141659
Step 344: 141659 + 413 = 142072
Step 345: 142072 + 413 = 142485
Step 346: 142485 + 413 = 142898
Step 347: 142898 + 413 = 143311
Step 348: 143311 + 413 = 143724
Step 349: 143724 + 413 = 144137
Step 350: 144137 + 413 = 144550
Step 351: 144550 + 413 = 144963
Step 352: 144963 + 413 = 145376
Step 353: 145376 + 413 = 145789
Step 354: 145789 + 413 = 146202
Step 355: 146202 + 413 = 146615
Step 356: 146615 + 413 = 147028
Step 357: 147028 + 413 = 147441
Step 358: 147441 + 413 = 147854
Step 359: 147854 + 413 = 148267
Step 360: 148267 + 413 = 148680
Step 361: 148680 + 413 = 149093
Step 362: 149093 + 413 = 149506
Step 363: 149506 + 413 = 149919
Step 364: 149919 + 413 = 150332
Step 365: 150332 + 413 = 150745
Step 366: 150745 + 413 = 151158
Step 367: 151158 + 413 = 151571
Step 368: 151571 + 413 = 151984
Step 369: 151984 + 413 = 152397
Step 370: 152397 + 413 = 152810
Step 371: 152810 + 413 = 153223
Step 372: 153223 + 413 = 153636
Step 373: 153636 + 413 = 154049
Step 374: 154049 + 413 = 154462
Step 375: 154462 + 413 = 154875
Step 376: 154875 + 413 = 155288
Step 377: 155288 + 413 = 155701
Step 378: 155701 + 413 = 156114
Step 379: 156114 + 413 = 156527
Step 380: 156527 + 413 = 156940
Step 381: 156940 + 413 = 157353
Step 382: 157353 + 413 = 157766
Step 383: 157766 + 413 = 158179
Step 384: 158179 + 413 = 158592
Step 385: 158592 + 413 = 159005
Step 386: 159005 + 413 = 159418
Step 387: 159418 + 413 = 159831
Step 388: 159831 + 413 = 160244
Step 389: 160244 + 413 = 160657
Step 390: 160657 + 413 = 161070
Step 391: 161070 + 413 = 161483
Step 392: 161483 + 413 = 161896
Step 393: 161896 + 413 = 162309
Step 394: 162309 + 413 = 162722
Step 395: 162722 + 413 = 163135
Step 396: 163135 + 413 = 163548
Step 397: 163548 + 413 = 163961
Step 398: 163961 + 413 = 164374
Step 399: 164374 + 413 = 164787
Step 400: 164787 + 413 = 165200
Step 401: 165200 + 413 = 165613
Step 402: 165613 + 413 = 166026
Step 403: 166026 + 413 = 166439

So, 413*403 = 166439