Let's get this math done. We have 597 and we're going to multiply it by 209. This is the same as taking 597 and adding it to itself 209 times.
Step 1: 0 + 597 = 597
Step 2: 597 + 597 = 1194
Step 3: 1194 + 597 = 1791
Step 4: 1791 + 597 = 2388
Step 5: 2388 + 597 = 2985
Step 6: 2985 + 597 = 3582
Step 7: 3582 + 597 = 4179
Step 8: 4179 + 597 = 4776
Step 9: 4776 + 597 = 5373
Step 10: 5373 + 597 = 5970
Step 11: 5970 + 597 = 6567
Step 12: 6567 + 597 = 7164
Step 13: 7164 + 597 = 7761
Step 14: 7761 + 597 = 8358
Step 15: 8358 + 597 = 8955
Step 16: 8955 + 597 = 9552
Step 17: 9552 + 597 = 10149
Step 18: 10149 + 597 = 10746
Step 19: 10746 + 597 = 11343
Step 20: 11343 + 597 = 11940
Step 21: 11940 + 597 = 12537
Step 22: 12537 + 597 = 13134
Step 23: 13134 + 597 = 13731
Step 24: 13731 + 597 = 14328
Step 25: 14328 + 597 = 14925
Step 26: 14925 + 597 = 15522
Step 27: 15522 + 597 = 16119
Step 28: 16119 + 597 = 16716
Step 29: 16716 + 597 = 17313
Step 30: 17313 + 597 = 17910
Step 31: 17910 + 597 = 18507
Step 32: 18507 + 597 = 19104
Step 33: 19104 + 597 = 19701
Step 34: 19701 + 597 = 20298
Step 35: 20298 + 597 = 20895
Step 36: 20895 + 597 = 21492
Step 37: 21492 + 597 = 22089
Step 38: 22089 + 597 = 22686
Step 39: 22686 + 597 = 23283
Step 40: 23283 + 597 = 23880
Step 41: 23880 + 597 = 24477
Step 42: 24477 + 597 = 25074
Step 43: 25074 + 597 = 25671
Step 44: 25671 + 597 = 26268
Step 45: 26268 + 597 = 26865
Step 46: 26865 + 597 = 27462
Step 47: 27462 + 597 = 28059
Step 48: 28059 + 597 = 28656
Step 49: 28656 + 597 = 29253
Step 50: 29253 + 597 = 29850
Step 51: 29850 + 597 = 30447
Step 52: 30447 + 597 = 31044
Step 53: 31044 + 597 = 31641
Step 54: 31641 + 597 = 32238
Step 55: 32238 + 597 = 32835
Step 56: 32835 + 597 = 33432
Step 57: 33432 + 597 = 34029
Step 58: 34029 + 597 = 34626
Step 59: 34626 + 597 = 35223
Step 60: 35223 + 597 = 35820
Step 61: 35820 + 597 = 36417
Step 62: 36417 + 597 = 37014
Step 63: 37014 + 597 = 37611
Step 64: 37611 + 597 = 38208
Step 65: 38208 + 597 = 38805
Step 66: 38805 + 597 = 39402
Step 67: 39402 + 597 = 39999
Step 68: 39999 + 597 = 40596
Step 69: 40596 + 597 = 41193
Step 70: 41193 + 597 = 41790
Step 71: 41790 + 597 = 42387
Step 72: 42387 + 597 = 42984
Step 73: 42984 + 597 = 43581
Step 74: 43581 + 597 = 44178
Step 75: 44178 + 597 = 44775
Step 76: 44775 + 597 = 45372
Step 77: 45372 + 597 = 45969
Step 78: 45969 + 597 = 46566
Step 79: 46566 + 597 = 47163
Step 80: 47163 + 597 = 47760
Step 81: 47760 + 597 = 48357
Step 82: 48357 + 597 = 48954
Step 83: 48954 + 597 = 49551
Step 84: 49551 + 597 = 50148
Step 85: 50148 + 597 = 50745
Step 86: 50745 + 597 = 51342
Step 87: 51342 + 597 = 51939
Step 88: 51939 + 597 = 52536
Step 89: 52536 + 597 = 53133
Step 90: 53133 + 597 = 53730
Step 91: 53730 + 597 = 54327
Step 92: 54327 + 597 = 54924
Step 93: 54924 + 597 = 55521
Step 94: 55521 + 597 = 56118
Step 95: 56118 + 597 = 56715
Step 96: 56715 + 597 = 57312
Step 97: 57312 + 597 = 57909
Step 98: 57909 + 597 = 58506
Step 99: 58506 + 597 = 59103
Step 100: 59103 + 597 = 59700
Step 101: 59700 + 597 = 60297
Step 102: 60297 + 597 = 60894
Step 103: 60894 + 597 = 61491
Step 104: 61491 + 597 = 62088
Step 105: 62088 + 597 = 62685
Step 106: 62685 + 597 = 63282
Step 107: 63282 + 597 = 63879
Step 108: 63879 + 597 = 64476
Step 109: 64476 + 597 = 65073
Step 110: 65073 + 597 = 65670
Step 111: 65670 + 597 = 66267
Step 112: 66267 + 597 = 66864
Step 113: 66864 + 597 = 67461
Step 114: 67461 + 597 = 68058
Step 115: 68058 + 597 = 68655
Step 116: 68655 + 597 = 69252
Step 117: 69252 + 597 = 69849
Step 118: 69849 + 597 = 70446
Step 119: 70446 + 597 = 71043
Step 120: 71043 + 597 = 71640
Step 121: 71640 + 597 = 72237
Step 122: 72237 + 597 = 72834
Step 123: 72834 + 597 = 73431
Step 124: 73431 + 597 = 74028
Step 125: 74028 + 597 = 74625
Step 126: 74625 + 597 = 75222
Step 127: 75222 + 597 = 75819
Step 128: 75819 + 597 = 76416
Step 129: 76416 + 597 = 77013
Step 130: 77013 + 597 = 77610
Step 131: 77610 + 597 = 78207
Step 132: 78207 + 597 = 78804
Step 133: 78804 + 597 = 79401
Step 134: 79401 + 597 = 79998
Step 135: 79998 + 597 = 80595
Step 136: 80595 + 597 = 81192
Step 137: 81192 + 597 = 81789
Step 138: 81789 + 597 = 82386
Step 139: 82386 + 597 = 82983
Step 140: 82983 + 597 = 83580
Step 141: 83580 + 597 = 84177
Step 142: 84177 + 597 = 84774
Step 143: 84774 + 597 = 85371
Step 144: 85371 + 597 = 85968
Step 145: 85968 + 597 = 86565
Step 146: 86565 + 597 = 87162
Step 147: 87162 + 597 = 87759
Step 148: 87759 + 597 = 88356
Step 149: 88356 + 597 = 88953
Step 150: 88953 + 597 = 89550
Step 151: 89550 + 597 = 90147
Step 152: 90147 + 597 = 90744
Step 153: 90744 + 597 = 91341
Step 154: 91341 + 597 = 91938
Step 155: 91938 + 597 = 92535
Step 156: 92535 + 597 = 93132
Step 157: 93132 + 597 = 93729
Step 158: 93729 + 597 = 94326
Step 159: 94326 + 597 = 94923
Step 160: 94923 + 597 = 95520
Step 161: 95520 + 597 = 96117
Step 162: 96117 + 597 = 96714
Step 163: 96714 + 597 = 97311
Step 164: 97311 + 597 = 97908
Step 165: 97908 + 597 = 98505
Step 166: 98505 + 597 = 99102
Step 167: 99102 + 597 = 99699
Step 168: 99699 + 597 = 100296
Step 169: 100296 + 597 = 100893
Step 170: 100893 + 597 = 101490
Step 171: 101490 + 597 = 102087
Step 172: 102087 + 597 = 102684
Step 173: 102684 + 597 = 103281
Step 174: 103281 + 597 = 103878
Step 175: 103878 + 597 = 104475
Step 176: 104475 + 597 = 105072
Step 177: 105072 + 597 = 105669
Step 178: 105669 + 597 = 106266
Step 179: 106266 + 597 = 106863
Step 180: 106863 + 597 = 107460
Step 181: 107460 + 597 = 108057
Step 182: 108057 + 597 = 108654
Step 183: 108654 + 597 = 109251
Step 184: 109251 + 597 = 109848
Step 185: 109848 + 597 = 110445
Step 186: 110445 + 597 = 111042
Step 187: 111042 + 597 = 111639
Step 188: 111639 + 597 = 112236
Step 189: 112236 + 597 = 112833
Step 190: 112833 + 597 = 113430
Step 191: 113430 + 597 = 114027
Step 192: 114027 + 597 = 114624
Step 193: 114624 + 597 = 115221
Step 194: 115221 + 597 = 115818
Step 195: 115818 + 597 = 116415
Step 196: 116415 + 597 = 117012
Step 197: 117012 + 597 = 117609
Step 198: 117609 + 597 = 118206
Step 199: 118206 + 597 = 118803
Step 200: 118803 + 597 = 119400
Step 201: 119400 + 597 = 119997
Step 202: 119997 + 597 = 120594
Step 203: 120594 + 597 = 121191
Step 204: 121191 + 597 = 121788
Step 205: 121788 + 597 = 122385
Step 206: 122385 + 597 = 122982
Step 207: 122982 + 597 = 123579
Step 208: 123579 + 597 = 124176
Step 209: 124176 + 597 = 124773

So, 597*209 = 124773