Let's roll up our sleeves and solve this. We have 703 and we're going to multiply it by 456, essentially adding 703 to itself 456 times.
Step 1: 0 + 703 = 703
Step 2: 703 + 703 = 1406
Step 3: 1406 + 703 = 2109
Step 4: 2109 + 703 = 2812
Step 5: 2812 + 703 = 3515
Step 6: 3515 + 703 = 4218
Step 7: 4218 + 703 = 4921
Step 8: 4921 + 703 = 5624
Step 9: 5624 + 703 = 6327
Step 10: 6327 + 703 = 7030
Step 11: 7030 + 703 = 7733
Step 12: 7733 + 703 = 8436
Step 13: 8436 + 703 = 9139
Step 14: 9139 + 703 = 9842
Step 15: 9842 + 703 = 10545
Step 16: 10545 + 703 = 11248
Step 17: 11248 + 703 = 11951
Step 18: 11951 + 703 = 12654
Step 19: 12654 + 703 = 13357
Step 20: 13357 + 703 = 14060
Step 21: 14060 + 703 = 14763
Step 22: 14763 + 703 = 15466
Step 23: 15466 + 703 = 16169
Step 24: 16169 + 703 = 16872
Step 25: 16872 + 703 = 17575
Step 26: 17575 + 703 = 18278
Step 27: 18278 + 703 = 18981
Step 28: 18981 + 703 = 19684
Step 29: 19684 + 703 = 20387
Step 30: 20387 + 703 = 21090
Step 31: 21090 + 703 = 21793
Step 32: 21793 + 703 = 22496
Step 33: 22496 + 703 = 23199
Step 34: 23199 + 703 = 23902
Step 35: 23902 + 703 = 24605
Step 36: 24605 + 703 = 25308
Step 37: 25308 + 703 = 26011
Step 38: 26011 + 703 = 26714
Step 39: 26714 + 703 = 27417
Step 40: 27417 + 703 = 28120
Step 41: 28120 + 703 = 28823
Step 42: 28823 + 703 = 29526
Step 43: 29526 + 703 = 30229
Step 44: 30229 + 703 = 30932
Step 45: 30932 + 703 = 31635
Step 46: 31635 + 703 = 32338
Step 47: 32338 + 703 = 33041
Step 48: 33041 + 703 = 33744
Step 49: 33744 + 703 = 34447
Step 50: 34447 + 703 = 35150
Step 51: 35150 + 703 = 35853
Step 52: 35853 + 703 = 36556
Step 53: 36556 + 703 = 37259
Step 54: 37259 + 703 = 37962
Step 55: 37962 + 703 = 38665
Step 56: 38665 + 703 = 39368
Step 57: 39368 + 703 = 40071
Step 58: 40071 + 703 = 40774
Step 59: 40774 + 703 = 41477
Step 60: 41477 + 703 = 42180
Step 61: 42180 + 703 = 42883
Step 62: 42883 + 703 = 43586
Step 63: 43586 + 703 = 44289
Step 64: 44289 + 703 = 44992
Step 65: 44992 + 703 = 45695
Step 66: 45695 + 703 = 46398
Step 67: 46398 + 703 = 47101
Step 68: 47101 + 703 = 47804
Step 69: 47804 + 703 = 48507
Step 70: 48507 + 703 = 49210
Step 71: 49210 + 703 = 49913
Step 72: 49913 + 703 = 50616
Step 73: 50616 + 703 = 51319
Step 74: 51319 + 703 = 52022
Step 75: 52022 + 703 = 52725
Step 76: 52725 + 703 = 53428
Step 77: 53428 + 703 = 54131
Step 78: 54131 + 703 = 54834
Step 79: 54834 + 703 = 55537
Step 80: 55537 + 703 = 56240
Step 81: 56240 + 703 = 56943
Step 82: 56943 + 703 = 57646
Step 83: 57646 + 703 = 58349
Step 84: 58349 + 703 = 59052
Step 85: 59052 + 703 = 59755
Step 86: 59755 + 703 = 60458
Step 87: 60458 + 703 = 61161
Step 88: 61161 + 703 = 61864
Step 89: 61864 + 703 = 62567
Step 90: 62567 + 703 = 63270
Step 91: 63270 + 703 = 63973
Step 92: 63973 + 703 = 64676
Step 93: 64676 + 703 = 65379
Step 94: 65379 + 703 = 66082
Step 95: 66082 + 703 = 66785
Step 96: 66785 + 703 = 67488
Step 97: 67488 + 703 = 68191
Step 98: 68191 + 703 = 68894
Step 99: 68894 + 703 = 69597
Step 100: 69597 + 703 = 70300
Step 101: 70300 + 703 = 71003
Step 102: 71003 + 703 = 71706
Step 103: 71706 + 703 = 72409
Step 104: 72409 + 703 = 73112
Step 105: 73112 + 703 = 73815
Step 106: 73815 + 703 = 74518
Step 107: 74518 + 703 = 75221
Step 108: 75221 + 703 = 75924
Step 109: 75924 + 703 = 76627
Step 110: 76627 + 703 = 77330
Step 111: 77330 + 703 = 78033
Step 112: 78033 + 703 = 78736
Step 113: 78736 + 703 = 79439
Step 114: 79439 + 703 = 80142
Step 115: 80142 + 703 = 80845
Step 116: 80845 + 703 = 81548
Step 117: 81548 + 703 = 82251
Step 118: 82251 + 703 = 82954
Step 119: 82954 + 703 = 83657
Step 120: 83657 + 703 = 84360
Step 121: 84360 + 703 = 85063
Step 122: 85063 + 703 = 85766
Step 123: 85766 + 703 = 86469
Step 124: 86469 + 703 = 87172
Step 125: 87172 + 703 = 87875
Step 126: 87875 + 703 = 88578
Step 127: 88578 + 703 = 89281
Step 128: 89281 + 703 = 89984
Step 129: 89984 + 703 = 90687
Step 130: 90687 + 703 = 91390
Step 131: 91390 + 703 = 92093
Step 132: 92093 + 703 = 92796
Step 133: 92796 + 703 = 93499
Step 134: 93499 + 703 = 94202
Step 135: 94202 + 703 = 94905
Step 136: 94905 + 703 = 95608
Step 137: 95608 + 703 = 96311
Step 138: 96311 + 703 = 97014
Step 139: 97014 + 703 = 97717
Step 140: 97717 + 703 = 98420
Step 141: 98420 + 703 = 99123
Step 142: 99123 + 703 = 99826
Step 143: 99826 + 703 = 100529
Step 144: 100529 + 703 = 101232
Step 145: 101232 + 703 = 101935
Step 146: 101935 + 703 = 102638
Step 147: 102638 + 703 = 103341
Step 148: 103341 + 703 = 104044
Step 149: 104044 + 703 = 104747
Step 150: 104747 + 703 = 105450
Step 151: 105450 + 703 = 106153
Step 152: 106153 + 703 = 106856
Step 153: 106856 + 703 = 107559
Step 154: 107559 + 703 = 108262
Step 155: 108262 + 703 = 108965
Step 156: 108965 + 703 = 109668
Step 157: 109668 + 703 = 110371
Step 158: 110371 + 703 = 111074
Step 159: 111074 + 703 = 111777
Step 160: 111777 + 703 = 112480
Step 161: 112480 + 703 = 113183
Step 162: 113183 + 703 = 113886
Step 163: 113886 + 703 = 114589
Step 164: 114589 + 703 = 115292
Step 165: 115292 + 703 = 115995
Step 166: 115995 + 703 = 116698
Step 167: 116698 + 703 = 117401
Step 168: 117401 + 703 = 118104
Step 169: 118104 + 703 = 118807
Step 170: 118807 + 703 = 119510
Step 171: 119510 + 703 = 120213
Step 172: 120213 + 703 = 120916
Step 173: 120916 + 703 = 121619
Step 174: 121619 + 703 = 122322
Step 175: 122322 + 703 = 123025
Step 176: 123025 + 703 = 123728
Step 177: 123728 + 703 = 124431
Step 178: 124431 + 703 = 125134
Step 179: 125134 + 703 = 125837
Step 180: 125837 + 703 = 126540
Step 181: 126540 + 703 = 127243
Step 182: 127243 + 703 = 127946
Step 183: 127946 + 703 = 128649
Step 184: 128649 + 703 = 129352
Step 185: 129352 + 703 = 130055
Step 186: 130055 + 703 = 130758
Step 187: 130758 + 703 = 131461
Step 188: 131461 + 703 = 132164
Step 189: 132164 + 703 = 132867
Step 190: 132867 + 703 = 133570
Step 191: 133570 + 703 = 134273
Step 192: 134273 + 703 = 134976
Step 193: 134976 + 703 = 135679
Step 194: 135679 + 703 = 136382
Step 195: 136382 + 703 = 137085
Step 196: 137085 + 703 = 137788
Step 197: 137788 + 703 = 138491
Step 198: 138491 + 703 = 139194
Step 199: 139194 + 703 = 139897
Step 200: 139897 + 703 = 140600
Step 201: 140600 + 703 = 141303
Step 202: 141303 + 703 = 142006
Step 203: 142006 + 703 = 142709
Step 204: 142709 + 703 = 143412
Step 205: 143412 + 703 = 144115
Step 206: 144115 + 703 = 144818
Step 207: 144818 + 703 = 145521
Step 208: 145521 + 703 = 146224
Step 209: 146224 + 703 = 146927
Step 210: 146927 + 703 = 147630
Step 211: 147630 + 703 = 148333
Step 212: 148333 + 703 = 149036
Step 213: 149036 + 703 = 149739
Step 214: 149739 + 703 = 150442
Step 215: 150442 + 703 = 151145
Step 216: 151145 + 703 = 151848
Step 217: 151848 + 703 = 152551
Step 218: 152551 + 703 = 153254
Step 219: 153254 + 703 = 153957
Step 220: 153957 + 703 = 154660
Step 221: 154660 + 703 = 155363
Step 222: 155363 + 703 = 156066
Step 223: 156066 + 703 = 156769
Step 224: 156769 + 703 = 157472
Step 225: 157472 + 703 = 158175
Step 226: 158175 + 703 = 158878
Step 227: 158878 + 703 = 159581
Step 228: 159581 + 703 = 160284
Step 229: 160284 + 703 = 160987
Step 230: 160987 + 703 = 161690
Step 231: 161690 + 703 = 162393
Step 232: 162393 + 703 = 163096
Step 233: 163096 + 703 = 163799
Step 234: 163799 + 703 = 164502
Step 235: 164502 + 703 = 165205
Step 236: 165205 + 703 = 165908
Step 237: 165908 + 703 = 166611
Step 238: 166611 + 703 = 167314
Step 239: 167314 + 703 = 168017
Step 240: 168017 + 703 = 168720
Step 241: 168720 + 703 = 169423
Step 242: 169423 + 703 = 170126
Step 243: 170126 + 703 = 170829
Step 244: 170829 + 703 = 171532
Step 245: 171532 + 703 = 172235
Step 246: 172235 + 703 = 172938
Step 247: 172938 + 703 = 173641
Step 248: 173641 + 703 = 174344
Step 249: 174344 + 703 = 175047
Step 250: 175047 + 703 = 175750
Step 251: 175750 + 703 = 176453
Step 252: 176453 + 703 = 177156
Step 253: 177156 + 703 = 177859
Step 254: 177859 + 703 = 178562
Step 255: 178562 + 703 = 179265
Step 256: 179265 + 703 = 179968
Step 257: 179968 + 703 = 180671
Step 258: 180671 + 703 = 181374
Step 259: 181374 + 703 = 182077
Step 260: 182077 + 703 = 182780
Step 261: 182780 + 703 = 183483
Step 262: 183483 + 703 = 184186
Step 263: 184186 + 703 = 184889
Step 264: 184889 + 703 = 185592
Step 265: 185592 + 703 = 186295
Step 266: 186295 + 703 = 186998
Step 267: 186998 + 703 = 187701
Step 268: 187701 + 703 = 188404
Step 269: 188404 + 703 = 189107
Step 270: 189107 + 703 = 189810
Step 271: 189810 + 703 = 190513
Step 272: 190513 + 703 = 191216
Step 273: 191216 + 703 = 191919
Step 274: 191919 + 703 = 192622
Step 275: 192622 + 703 = 193325
Step 276: 193325 + 703 = 194028
Step 277: 194028 + 703 = 194731
Step 278: 194731 + 703 = 195434
Step 279: 195434 + 703 = 196137
Step 280: 196137 + 703 = 196840
Step 281: 196840 + 703 = 197543
Step 282: 197543 + 703 = 198246
Step 283: 198246 + 703 = 198949
Step 284: 198949 + 703 = 199652
Step 285: 199652 + 703 = 200355
Step 286: 200355 + 703 = 201058
Step 287: 201058 + 703 = 201761
Step 288: 201761 + 703 = 202464
Step 289: 202464 + 703 = 203167
Step 290: 203167 + 703 = 203870
Step 291: 203870 + 703 = 204573
Step 292: 204573 + 703 = 205276
Step 293: 205276 + 703 = 205979
Step 294: 205979 + 703 = 206682
Step 295: 206682 + 703 = 207385
Step 296: 207385 + 703 = 208088
Step 297: 208088 + 703 = 208791
Step 298: 208791 + 703 = 209494
Step 299: 209494 + 703 = 210197
Step 300: 210197 + 703 = 210900
Step 301: 210900 + 703 = 211603
Step 302: 211603 + 703 = 212306
Step 303: 212306 + 703 = 213009
Step 304: 213009 + 703 = 213712
Step 305: 213712 + 703 = 214415
Step 306: 214415 + 703 = 215118
Step 307: 215118 + 703 = 215821
Step 308: 215821 + 703 = 216524
Step 309: 216524 + 703 = 217227
Step 310: 217227 + 703 = 217930
Step 311: 217930 + 703 = 218633
Step 312: 218633 + 703 = 219336
Step 313: 219336 + 703 = 220039
Step 314: 220039 + 703 = 220742
Step 315: 220742 + 703 = 221445
Step 316: 221445 + 703 = 222148
Step 317: 222148 + 703 = 222851
Step 318: 222851 + 703 = 223554
Step 319: 223554 + 703 = 224257
Step 320: 224257 + 703 = 224960
Step 321: 224960 + 703 = 225663
Step 322: 225663 + 703 = 226366
Step 323: 226366 + 703 = 227069
Step 324: 227069 + 703 = 227772
Step 325: 227772 + 703 = 228475
Step 326: 228475 + 703 = 229178
Step 327: 229178 + 703 = 229881
Step 328: 229881 + 703 = 230584
Step 329: 230584 + 703 = 231287
Step 330: 231287 + 703 = 231990
Step 331: 231990 + 703 = 232693
Step 332: 232693 + 703 = 233396
Step 333: 233396 + 703 = 234099
Step 334: 234099 + 703 = 234802
Step 335: 234802 + 703 = 235505
Step 336: 235505 + 703 = 236208
Step 337: 236208 + 703 = 236911
Step 338: 236911 + 703 = 237614
Step 339: 237614 + 703 = 238317
Step 340: 238317 + 703 = 239020
Step 341: 239020 + 703 = 239723
Step 342: 239723 + 703 = 240426
Step 343: 240426 + 703 = 241129
Step 344: 241129 + 703 = 241832
Step 345: 241832 + 703 = 242535
Step 346: 242535 + 703 = 243238
Step 347: 243238 + 703 = 243941
Step 348: 243941 + 703 = 244644
Step 349: 244644 + 703 = 245347
Step 350: 245347 + 703 = 246050
Step 351: 246050 + 703 = 246753
Step 352: 246753 + 703 = 247456
Step 353: 247456 + 703 = 248159
Step 354: 248159 + 703 = 248862
Step 355: 248862 + 703 = 249565
Step 356: 249565 + 703 = 250268
Step 357: 250268 + 703 = 250971
Step 358: 250971 + 703 = 251674
Step 359: 251674 + 703 = 252377
Step 360: 252377 + 703 = 253080
Step 361: 253080 + 703 = 253783
Step 362: 253783 + 703 = 254486
Step 363: 254486 + 703 = 255189
Step 364: 255189 + 703 = 255892
Step 365: 255892 + 703 = 256595
Step 366: 256595 + 703 = 257298
Step 367: 257298 + 703 = 258001
Step 368: 258001 + 703 = 258704
Step 369: 258704 + 703 = 259407
Step 370: 259407 + 703 = 260110
Step 371: 260110 + 703 = 260813
Step 372: 260813 + 703 = 261516
Step 373: 261516 + 703 = 262219
Step 374: 262219 + 703 = 262922
Step 375: 262922 + 703 = 263625
Step 376: 263625 + 703 = 264328
Step 377: 264328 + 703 = 265031
Step 378: 265031 + 703 = 265734
Step 379: 265734 + 703 = 266437
Step 380: 266437 + 703 = 267140
Step 381: 267140 + 703 = 267843
Step 382: 267843 + 703 = 268546
Step 383: 268546 + 703 = 269249
Step 384: 269249 + 703 = 269952
Step 385: 269952 + 703 = 270655
Step 386: 270655 + 703 = 271358
Step 387: 271358 + 703 = 272061
Step 388: 272061 + 703 = 272764
Step 389: 272764 + 703 = 273467
Step 390: 273467 + 703 = 274170
Step 391: 274170 + 703 = 274873
Step 392: 274873 + 703 = 275576
Step 393: 275576 + 703 = 276279
Step 394: 276279 + 703 = 276982
Step 395: 276982 + 703 = 277685
Step 396: 277685 + 703 = 278388
Step 397: 278388 + 703 = 279091
Step 398: 279091 + 703 = 279794
Step 399: 279794 + 703 = 280497
Step 400: 280497 + 703 = 281200
Step 401: 281200 + 703 = 281903
Step 402: 281903 + 703 = 282606
Step 403: 282606 + 703 = 283309
Step 404: 283309 + 703 = 284012
Step 405: 284012 + 703 = 284715
Step 406: 284715 + 703 = 285418
Step 407: 285418 + 703 = 286121
Step 408: 286121 + 703 = 286824
Step 409: 286824 + 703 = 287527
Step 410: 287527 + 703 = 288230
Step 411: 288230 + 703 = 288933
Step 412: 288933 + 703 = 289636
Step 413: 289636 + 703 = 290339
Step 414: 290339 + 703 = 291042
Step 415: 291042 + 703 = 291745
Step 416: 291745 + 703 = 292448
Step 417: 292448 + 703 = 293151
Step 418: 293151 + 703 = 293854
Step 419: 293854 + 703 = 294557
Step 420: 294557 + 703 = 295260
Step 421: 295260 + 703 = 295963
Step 422: 295963 + 703 = 296666
Step 423: 296666 + 703 = 297369
Step 424: 297369 + 703 = 298072
Step 425: 298072 + 703 = 298775
Step 426: 298775 + 703 = 299478
Step 427: 299478 + 703 = 300181
Step 428: 300181 + 703 = 300884
Step 429: 300884 + 703 = 301587
Step 430: 301587 + 703 = 302290
Step 431: 302290 + 703 = 302993
Step 432: 302993 + 703 = 303696
Step 433: 303696 + 703 = 304399
Step 434: 304399 + 703 = 305102
Step 435: 305102 + 703 = 305805
Step 436: 305805 + 703 = 306508
Step 437: 306508 + 703 = 307211
Step 438: 307211 + 703 = 307914
Step 439: 307914 + 703 = 308617
Step 440: 308617 + 703 = 309320
Step 441: 309320 + 703 = 310023
Step 442: 310023 + 703 = 310726
Step 443: 310726 + 703 = 311429
Step 444: 311429 + 703 = 312132
Step 445: 312132 + 703 = 312835
Step 446: 312835 + 703 = 313538
Step 447: 313538 + 703 = 314241
Step 448: 314241 + 703 = 314944
Step 449: 314944 + 703 = 315647
Step 450: 315647 + 703 = 316350
Step 451: 316350 + 703 = 317053
Step 452: 317053 + 703 = 317756
Step 453: 317756 + 703 = 318459
Step 454: 318459 + 703 = 319162
Step 455: 319162 + 703 = 319865
Step 456: 319865 + 703 = 320568

So, 703*456 = 320568