OK, let's work through this together. We're starting with 673 and we're going to multiply it by 325, which means we add 673 to itself 325 times.
Step 1: 0 + 673 = 673
Step 2: 673 + 673 = 1346
Step 3: 1346 + 673 = 2019
Step 4: 2019 + 673 = 2692
Step 5: 2692 + 673 = 3365
Step 6: 3365 + 673 = 4038
Step 7: 4038 + 673 = 4711
Step 8: 4711 + 673 = 5384
Step 9: 5384 + 673 = 6057
Step 10: 6057 + 673 = 6730
Step 11: 6730 + 673 = 7403
Step 12: 7403 + 673 = 8076
Step 13: 8076 + 673 = 8749
Step 14: 8749 + 673 = 9422
Step 15: 9422 + 673 = 10095
Step 16: 10095 + 673 = 10768
Step 17: 10768 + 673 = 11441
Step 18: 11441 + 673 = 12114
Step 19: 12114 + 673 = 12787
Step 20: 12787 + 673 = 13460
Step 21: 13460 + 673 = 14133
Step 22: 14133 + 673 = 14806
Step 23: 14806 + 673 = 15479
Step 24: 15479 + 673 = 16152
Step 25: 16152 + 673 = 16825
Step 26: 16825 + 673 = 17498
Step 27: 17498 + 673 = 18171
Step 28: 18171 + 673 = 18844
Step 29: 18844 + 673 = 19517
Step 30: 19517 + 673 = 20190
Step 31: 20190 + 673 = 20863
Step 32: 20863 + 673 = 21536
Step 33: 21536 + 673 = 22209
Step 34: 22209 + 673 = 22882
Step 35: 22882 + 673 = 23555
Step 36: 23555 + 673 = 24228
Step 37: 24228 + 673 = 24901
Step 38: 24901 + 673 = 25574
Step 39: 25574 + 673 = 26247
Step 40: 26247 + 673 = 26920
Step 41: 26920 + 673 = 27593
Step 42: 27593 + 673 = 28266
Step 43: 28266 + 673 = 28939
Step 44: 28939 + 673 = 29612
Step 45: 29612 + 673 = 30285
Step 46: 30285 + 673 = 30958
Step 47: 30958 + 673 = 31631
Step 48: 31631 + 673 = 32304
Step 49: 32304 + 673 = 32977
Step 50: 32977 + 673 = 33650
Step 51: 33650 + 673 = 34323
Step 52: 34323 + 673 = 34996
Step 53: 34996 + 673 = 35669
Step 54: 35669 + 673 = 36342
Step 55: 36342 + 673 = 37015
Step 56: 37015 + 673 = 37688
Step 57: 37688 + 673 = 38361
Step 58: 38361 + 673 = 39034
Step 59: 39034 + 673 = 39707
Step 60: 39707 + 673 = 40380
Step 61: 40380 + 673 = 41053
Step 62: 41053 + 673 = 41726
Step 63: 41726 + 673 = 42399
Step 64: 42399 + 673 = 43072
Step 65: 43072 + 673 = 43745
Step 66: 43745 + 673 = 44418
Step 67: 44418 + 673 = 45091
Step 68: 45091 + 673 = 45764
Step 69: 45764 + 673 = 46437
Step 70: 46437 + 673 = 47110
Step 71: 47110 + 673 = 47783
Step 72: 47783 + 673 = 48456
Step 73: 48456 + 673 = 49129
Step 74: 49129 + 673 = 49802
Step 75: 49802 + 673 = 50475
Step 76: 50475 + 673 = 51148
Step 77: 51148 + 673 = 51821
Step 78: 51821 + 673 = 52494
Step 79: 52494 + 673 = 53167
Step 80: 53167 + 673 = 53840
Step 81: 53840 + 673 = 54513
Step 82: 54513 + 673 = 55186
Step 83: 55186 + 673 = 55859
Step 84: 55859 + 673 = 56532
Step 85: 56532 + 673 = 57205
Step 86: 57205 + 673 = 57878
Step 87: 57878 + 673 = 58551
Step 88: 58551 + 673 = 59224
Step 89: 59224 + 673 = 59897
Step 90: 59897 + 673 = 60570
Step 91: 60570 + 673 = 61243
Step 92: 61243 + 673 = 61916
Step 93: 61916 + 673 = 62589
Step 94: 62589 + 673 = 63262
Step 95: 63262 + 673 = 63935
Step 96: 63935 + 673 = 64608
Step 97: 64608 + 673 = 65281
Step 98: 65281 + 673 = 65954
Step 99: 65954 + 673 = 66627
Step 100: 66627 + 673 = 67300
Step 101: 67300 + 673 = 67973
Step 102: 67973 + 673 = 68646
Step 103: 68646 + 673 = 69319
Step 104: 69319 + 673 = 69992
Step 105: 69992 + 673 = 70665
Step 106: 70665 + 673 = 71338
Step 107: 71338 + 673 = 72011
Step 108: 72011 + 673 = 72684
Step 109: 72684 + 673 = 73357
Step 110: 73357 + 673 = 74030
Step 111: 74030 + 673 = 74703
Step 112: 74703 + 673 = 75376
Step 113: 75376 + 673 = 76049
Step 114: 76049 + 673 = 76722
Step 115: 76722 + 673 = 77395
Step 116: 77395 + 673 = 78068
Step 117: 78068 + 673 = 78741
Step 118: 78741 + 673 = 79414
Step 119: 79414 + 673 = 80087
Step 120: 80087 + 673 = 80760
Step 121: 80760 + 673 = 81433
Step 122: 81433 + 673 = 82106
Step 123: 82106 + 673 = 82779
Step 124: 82779 + 673 = 83452
Step 125: 83452 + 673 = 84125
Step 126: 84125 + 673 = 84798
Step 127: 84798 + 673 = 85471
Step 128: 85471 + 673 = 86144
Step 129: 86144 + 673 = 86817
Step 130: 86817 + 673 = 87490
Step 131: 87490 + 673 = 88163
Step 132: 88163 + 673 = 88836
Step 133: 88836 + 673 = 89509
Step 134: 89509 + 673 = 90182
Step 135: 90182 + 673 = 90855
Step 136: 90855 + 673 = 91528
Step 137: 91528 + 673 = 92201
Step 138: 92201 + 673 = 92874
Step 139: 92874 + 673 = 93547
Step 140: 93547 + 673 = 94220
Step 141: 94220 + 673 = 94893
Step 142: 94893 + 673 = 95566
Step 143: 95566 + 673 = 96239
Step 144: 96239 + 673 = 96912
Step 145: 96912 + 673 = 97585
Step 146: 97585 + 673 = 98258
Step 147: 98258 + 673 = 98931
Step 148: 98931 + 673 = 99604
Step 149: 99604 + 673 = 100277
Step 150: 100277 + 673 = 100950
Step 151: 100950 + 673 = 101623
Step 152: 101623 + 673 = 102296
Step 153: 102296 + 673 = 102969
Step 154: 102969 + 673 = 103642
Step 155: 103642 + 673 = 104315
Step 156: 104315 + 673 = 104988
Step 157: 104988 + 673 = 105661
Step 158: 105661 + 673 = 106334
Step 159: 106334 + 673 = 107007
Step 160: 107007 + 673 = 107680
Step 161: 107680 + 673 = 108353
Step 162: 108353 + 673 = 109026
Step 163: 109026 + 673 = 109699
Step 164: 109699 + 673 = 110372
Step 165: 110372 + 673 = 111045
Step 166: 111045 + 673 = 111718
Step 167: 111718 + 673 = 112391
Step 168: 112391 + 673 = 113064
Step 169: 113064 + 673 = 113737
Step 170: 113737 + 673 = 114410
Step 171: 114410 + 673 = 115083
Step 172: 115083 + 673 = 115756
Step 173: 115756 + 673 = 116429
Step 174: 116429 + 673 = 117102
Step 175: 117102 + 673 = 117775
Step 176: 117775 + 673 = 118448
Step 177: 118448 + 673 = 119121
Step 178: 119121 + 673 = 119794
Step 179: 119794 + 673 = 120467
Step 180: 120467 + 673 = 121140
Step 181: 121140 + 673 = 121813
Step 182: 121813 + 673 = 122486
Step 183: 122486 + 673 = 123159
Step 184: 123159 + 673 = 123832
Step 185: 123832 + 673 = 124505
Step 186: 124505 + 673 = 125178
Step 187: 125178 + 673 = 125851
Step 188: 125851 + 673 = 126524
Step 189: 126524 + 673 = 127197
Step 190: 127197 + 673 = 127870
Step 191: 127870 + 673 = 128543
Step 192: 128543 + 673 = 129216
Step 193: 129216 + 673 = 129889
Step 194: 129889 + 673 = 130562
Step 195: 130562 + 673 = 131235
Step 196: 131235 + 673 = 131908
Step 197: 131908 + 673 = 132581
Step 198: 132581 + 673 = 133254
Step 199: 133254 + 673 = 133927
Step 200: 133927 + 673 = 134600
Step 201: 134600 + 673 = 135273
Step 202: 135273 + 673 = 135946
Step 203: 135946 + 673 = 136619
Step 204: 136619 + 673 = 137292
Step 205: 137292 + 673 = 137965
Step 206: 137965 + 673 = 138638
Step 207: 138638 + 673 = 139311
Step 208: 139311 + 673 = 139984
Step 209: 139984 + 673 = 140657
Step 210: 140657 + 673 = 141330
Step 211: 141330 + 673 = 142003
Step 212: 142003 + 673 = 142676
Step 213: 142676 + 673 = 143349
Step 214: 143349 + 673 = 144022
Step 215: 144022 + 673 = 144695
Step 216: 144695 + 673 = 145368
Step 217: 145368 + 673 = 146041
Step 218: 146041 + 673 = 146714
Step 219: 146714 + 673 = 147387
Step 220: 147387 + 673 = 148060
Step 221: 148060 + 673 = 148733
Step 222: 148733 + 673 = 149406
Step 223: 149406 + 673 = 150079
Step 224: 150079 + 673 = 150752
Step 225: 150752 + 673 = 151425
Step 226: 151425 + 673 = 152098
Step 227: 152098 + 673 = 152771
Step 228: 152771 + 673 = 153444
Step 229: 153444 + 673 = 154117
Step 230: 154117 + 673 = 154790
Step 231: 154790 + 673 = 155463
Step 232: 155463 + 673 = 156136
Step 233: 156136 + 673 = 156809
Step 234: 156809 + 673 = 157482
Step 235: 157482 + 673 = 158155
Step 236: 158155 + 673 = 158828
Step 237: 158828 + 673 = 159501
Step 238: 159501 + 673 = 160174
Step 239: 160174 + 673 = 160847
Step 240: 160847 + 673 = 161520
Step 241: 161520 + 673 = 162193
Step 242: 162193 + 673 = 162866
Step 243: 162866 + 673 = 163539
Step 244: 163539 + 673 = 164212
Step 245: 164212 + 673 = 164885
Step 246: 164885 + 673 = 165558
Step 247: 165558 + 673 = 166231
Step 248: 166231 + 673 = 166904
Step 249: 166904 + 673 = 167577
Step 250: 167577 + 673 = 168250
Step 251: 168250 + 673 = 168923
Step 252: 168923 + 673 = 169596
Step 253: 169596 + 673 = 170269
Step 254: 170269 + 673 = 170942
Step 255: 170942 + 673 = 171615
Step 256: 171615 + 673 = 172288
Step 257: 172288 + 673 = 172961
Step 258: 172961 + 673 = 173634
Step 259: 173634 + 673 = 174307
Step 260: 174307 + 673 = 174980
Step 261: 174980 + 673 = 175653
Step 262: 175653 + 673 = 176326
Step 263: 176326 + 673 = 176999
Step 264: 176999 + 673 = 177672
Step 265: 177672 + 673 = 178345
Step 266: 178345 + 673 = 179018
Step 267: 179018 + 673 = 179691
Step 268: 179691 + 673 = 180364
Step 269: 180364 + 673 = 181037
Step 270: 181037 + 673 = 181710
Step 271: 181710 + 673 = 182383
Step 272: 182383 + 673 = 183056
Step 273: 183056 + 673 = 183729
Step 274: 183729 + 673 = 184402
Step 275: 184402 + 673 = 185075
Step 276: 185075 + 673 = 185748
Step 277: 185748 + 673 = 186421
Step 278: 186421 + 673 = 187094
Step 279: 187094 + 673 = 187767
Step 280: 187767 + 673 = 188440
Step 281: 188440 + 673 = 189113
Step 282: 189113 + 673 = 189786
Step 283: 189786 + 673 = 190459
Step 284: 190459 + 673 = 191132
Step 285: 191132 + 673 = 191805
Step 286: 191805 + 673 = 192478
Step 287: 192478 + 673 = 193151
Step 288: 193151 + 673 = 193824
Step 289: 193824 + 673 = 194497
Step 290: 194497 + 673 = 195170
Step 291: 195170 + 673 = 195843
Step 292: 195843 + 673 = 196516
Step 293: 196516 + 673 = 197189
Step 294: 197189 + 673 = 197862
Step 295: 197862 + 673 = 198535
Step 296: 198535 + 673 = 199208
Step 297: 199208 + 673 = 199881
Step 298: 199881 + 673 = 200554
Step 299: 200554 + 673 = 201227
Step 300: 201227 + 673 = 201900
Step 301: 201900 + 673 = 202573
Step 302: 202573 + 673 = 203246
Step 303: 203246 + 673 = 203919
Step 304: 203919 + 673 = 204592
Step 305: 204592 + 673 = 205265
Step 306: 205265 + 673 = 205938
Step 307: 205938 + 673 = 206611
Step 308: 206611 + 673 = 207284
Step 309: 207284 + 673 = 207957
Step 310: 207957 + 673 = 208630
Step 311: 208630 + 673 = 209303
Step 312: 209303 + 673 = 209976
Step 313: 209976 + 673 = 210649
Step 314: 210649 + 673 = 211322
Step 315: 211322 + 673 = 211995
Step 316: 211995 + 673 = 212668
Step 317: 212668 + 673 = 213341
Step 318: 213341 + 673 = 214014
Step 319: 214014 + 673 = 214687
Step 320: 214687 + 673 = 215360
Step 321: 215360 + 673 = 216033
Step 322: 216033 + 673 = 216706
Step 323: 216706 + 673 = 217379
Step 324: 217379 + 673 = 218052
Step 325: 218052 + 673 = 218725

So, 673*325 = 218725