Alright, let's solve this math problem step by step. First, we have the number 635. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 393. So, we're going to take the number 635 and add it to itself 393 times.
Step 1: 0 + 635 = 635
Step 2: 635 + 635 = 1270
Step 3: 1270 + 635 = 1905
Step 4: 1905 + 635 = 2540
Step 5: 2540 + 635 = 3175
Step 6: 3175 + 635 = 3810
Step 7: 3810 + 635 = 4445
Step 8: 4445 + 635 = 5080
Step 9: 5080 + 635 = 5715
Step 10: 5715 + 635 = 6350
Step 11: 6350 + 635 = 6985
Step 12: 6985 + 635 = 7620
Step 13: 7620 + 635 = 8255
Step 14: 8255 + 635 = 8890
Step 15: 8890 + 635 = 9525
Step 16: 9525 + 635 = 10160
Step 17: 10160 + 635 = 10795
Step 18: 10795 + 635 = 11430
Step 19: 11430 + 635 = 12065
Step 20: 12065 + 635 = 12700
Step 21: 12700 + 635 = 13335
Step 22: 13335 + 635 = 13970
Step 23: 13970 + 635 = 14605
Step 24: 14605 + 635 = 15240
Step 25: 15240 + 635 = 15875
Step 26: 15875 + 635 = 16510
Step 27: 16510 + 635 = 17145
Step 28: 17145 + 635 = 17780
Step 29: 17780 + 635 = 18415
Step 30: 18415 + 635 = 19050
Step 31: 19050 + 635 = 19685
Step 32: 19685 + 635 = 20320
Step 33: 20320 + 635 = 20955
Step 34: 20955 + 635 = 21590
Step 35: 21590 + 635 = 22225
Step 36: 22225 + 635 = 22860
Step 37: 22860 + 635 = 23495
Step 38: 23495 + 635 = 24130
Step 39: 24130 + 635 = 24765
Step 40: 24765 + 635 = 25400
Step 41: 25400 + 635 = 26035
Step 42: 26035 + 635 = 26670
Step 43: 26670 + 635 = 27305
Step 44: 27305 + 635 = 27940
Step 45: 27940 + 635 = 28575
Step 46: 28575 + 635 = 29210
Step 47: 29210 + 635 = 29845
Step 48: 29845 + 635 = 30480
Step 49: 30480 + 635 = 31115
Step 50: 31115 + 635 = 31750
Step 51: 31750 + 635 = 32385
Step 52: 32385 + 635 = 33020
Step 53: 33020 + 635 = 33655
Step 54: 33655 + 635 = 34290
Step 55: 34290 + 635 = 34925
Step 56: 34925 + 635 = 35560
Step 57: 35560 + 635 = 36195
Step 58: 36195 + 635 = 36830
Step 59: 36830 + 635 = 37465
Step 60: 37465 + 635 = 38100
Step 61: 38100 + 635 = 38735
Step 62: 38735 + 635 = 39370
Step 63: 39370 + 635 = 40005
Step 64: 40005 + 635 = 40640
Step 65: 40640 + 635 = 41275
Step 66: 41275 + 635 = 41910
Step 67: 41910 + 635 = 42545
Step 68: 42545 + 635 = 43180
Step 69: 43180 + 635 = 43815
Step 70: 43815 + 635 = 44450
Step 71: 44450 + 635 = 45085
Step 72: 45085 + 635 = 45720
Step 73: 45720 + 635 = 46355
Step 74: 46355 + 635 = 46990
Step 75: 46990 + 635 = 47625
Step 76: 47625 + 635 = 48260
Step 77: 48260 + 635 = 48895
Step 78: 48895 + 635 = 49530
Step 79: 49530 + 635 = 50165
Step 80: 50165 + 635 = 50800
Step 81: 50800 + 635 = 51435
Step 82: 51435 + 635 = 52070
Step 83: 52070 + 635 = 52705
Step 84: 52705 + 635 = 53340
Step 85: 53340 + 635 = 53975
Step 86: 53975 + 635 = 54610
Step 87: 54610 + 635 = 55245
Step 88: 55245 + 635 = 55880
Step 89: 55880 + 635 = 56515
Step 90: 56515 + 635 = 57150
Step 91: 57150 + 635 = 57785
Step 92: 57785 + 635 = 58420
Step 93: 58420 + 635 = 59055
Step 94: 59055 + 635 = 59690
Step 95: 59690 + 635 = 60325
Step 96: 60325 + 635 = 60960
Step 97: 60960 + 635 = 61595
Step 98: 61595 + 635 = 62230
Step 99: 62230 + 635 = 62865
Step 100: 62865 + 635 = 63500
Step 101: 63500 + 635 = 64135
Step 102: 64135 + 635 = 64770
Step 103: 64770 + 635 = 65405
Step 104: 65405 + 635 = 66040
Step 105: 66040 + 635 = 66675
Step 106: 66675 + 635 = 67310
Step 107: 67310 + 635 = 67945
Step 108: 67945 + 635 = 68580
Step 109: 68580 + 635 = 69215
Step 110: 69215 + 635 = 69850
Step 111: 69850 + 635 = 70485
Step 112: 70485 + 635 = 71120
Step 113: 71120 + 635 = 71755
Step 114: 71755 + 635 = 72390
Step 115: 72390 + 635 = 73025
Step 116: 73025 + 635 = 73660
Step 117: 73660 + 635 = 74295
Step 118: 74295 + 635 = 74930
Step 119: 74930 + 635 = 75565
Step 120: 75565 + 635 = 76200
Step 121: 76200 + 635 = 76835
Step 122: 76835 + 635 = 77470
Step 123: 77470 + 635 = 78105
Step 124: 78105 + 635 = 78740
Step 125: 78740 + 635 = 79375
Step 126: 79375 + 635 = 80010
Step 127: 80010 + 635 = 80645
Step 128: 80645 + 635 = 81280
Step 129: 81280 + 635 = 81915
Step 130: 81915 + 635 = 82550
Step 131: 82550 + 635 = 83185
Step 132: 83185 + 635 = 83820
Step 133: 83820 + 635 = 84455
Step 134: 84455 + 635 = 85090
Step 135: 85090 + 635 = 85725
Step 136: 85725 + 635 = 86360
Step 137: 86360 + 635 = 86995
Step 138: 86995 + 635 = 87630
Step 139: 87630 + 635 = 88265
Step 140: 88265 + 635 = 88900
Step 141: 88900 + 635 = 89535
Step 142: 89535 + 635 = 90170
Step 143: 90170 + 635 = 90805
Step 144: 90805 + 635 = 91440
Step 145: 91440 + 635 = 92075
Step 146: 92075 + 635 = 92710
Step 147: 92710 + 635 = 93345
Step 148: 93345 + 635 = 93980
Step 149: 93980 + 635 = 94615
Step 150: 94615 + 635 = 95250
Step 151: 95250 + 635 = 95885
Step 152: 95885 + 635 = 96520
Step 153: 96520 + 635 = 97155
Step 154: 97155 + 635 = 97790
Step 155: 97790 + 635 = 98425
Step 156: 98425 + 635 = 99060
Step 157: 99060 + 635 = 99695
Step 158: 99695 + 635 = 100330
Step 159: 100330 + 635 = 100965
Step 160: 100965 + 635 = 101600
Step 161: 101600 + 635 = 102235
Step 162: 102235 + 635 = 102870
Step 163: 102870 + 635 = 103505
Step 164: 103505 + 635 = 104140
Step 165: 104140 + 635 = 104775
Step 166: 104775 + 635 = 105410
Step 167: 105410 + 635 = 106045
Step 168: 106045 + 635 = 106680
Step 169: 106680 + 635 = 107315
Step 170: 107315 + 635 = 107950
Step 171: 107950 + 635 = 108585
Step 172: 108585 + 635 = 109220
Step 173: 109220 + 635 = 109855
Step 174: 109855 + 635 = 110490
Step 175: 110490 + 635 = 111125
Step 176: 111125 + 635 = 111760
Step 177: 111760 + 635 = 112395
Step 178: 112395 + 635 = 113030
Step 179: 113030 + 635 = 113665
Step 180: 113665 + 635 = 114300
Step 181: 114300 + 635 = 114935
Step 182: 114935 + 635 = 115570
Step 183: 115570 + 635 = 116205
Step 184: 116205 + 635 = 116840
Step 185: 116840 + 635 = 117475
Step 186: 117475 + 635 = 118110
Step 187: 118110 + 635 = 118745
Step 188: 118745 + 635 = 119380
Step 189: 119380 + 635 = 120015
Step 190: 120015 + 635 = 120650
Step 191: 120650 + 635 = 121285
Step 192: 121285 + 635 = 121920
Step 193: 121920 + 635 = 122555
Step 194: 122555 + 635 = 123190
Step 195: 123190 + 635 = 123825
Step 196: 123825 + 635 = 124460
Step 197: 124460 + 635 = 125095
Step 198: 125095 + 635 = 125730
Step 199: 125730 + 635 = 126365
Step 200: 126365 + 635 = 127000
Step 201: 127000 + 635 = 127635
Step 202: 127635 + 635 = 128270
Step 203: 128270 + 635 = 128905
Step 204: 128905 + 635 = 129540
Step 205: 129540 + 635 = 130175
Step 206: 130175 + 635 = 130810
Step 207: 130810 + 635 = 131445
Step 208: 131445 + 635 = 132080
Step 209: 132080 + 635 = 132715
Step 210: 132715 + 635 = 133350
Step 211: 133350 + 635 = 133985
Step 212: 133985 + 635 = 134620
Step 213: 134620 + 635 = 135255
Step 214: 135255 + 635 = 135890
Step 215: 135890 + 635 = 136525
Step 216: 136525 + 635 = 137160
Step 217: 137160 + 635 = 137795
Step 218: 137795 + 635 = 138430
Step 219: 138430 + 635 = 139065
Step 220: 139065 + 635 = 139700
Step 221: 139700 + 635 = 140335
Step 222: 140335 + 635 = 140970
Step 223: 140970 + 635 = 141605
Step 224: 141605 + 635 = 142240
Step 225: 142240 + 635 = 142875
Step 226: 142875 + 635 = 143510
Step 227: 143510 + 635 = 144145
Step 228: 144145 + 635 = 144780
Step 229: 144780 + 635 = 145415
Step 230: 145415 + 635 = 146050
Step 231: 146050 + 635 = 146685
Step 232: 146685 + 635 = 147320
Step 233: 147320 + 635 = 147955
Step 234: 147955 + 635 = 148590
Step 235: 148590 + 635 = 149225
Step 236: 149225 + 635 = 149860
Step 237: 149860 + 635 = 150495
Step 238: 150495 + 635 = 151130
Step 239: 151130 + 635 = 151765
Step 240: 151765 + 635 = 152400
Step 241: 152400 + 635 = 153035
Step 242: 153035 + 635 = 153670
Step 243: 153670 + 635 = 154305
Step 244: 154305 + 635 = 154940
Step 245: 154940 + 635 = 155575
Step 246: 155575 + 635 = 156210
Step 247: 156210 + 635 = 156845
Step 248: 156845 + 635 = 157480
Step 249: 157480 + 635 = 158115
Step 250: 158115 + 635 = 158750
Step 251: 158750 + 635 = 159385
Step 252: 159385 + 635 = 160020
Step 253: 160020 + 635 = 160655
Step 254: 160655 + 635 = 161290
Step 255: 161290 + 635 = 161925
Step 256: 161925 + 635 = 162560
Step 257: 162560 + 635 = 163195
Step 258: 163195 + 635 = 163830
Step 259: 163830 + 635 = 164465
Step 260: 164465 + 635 = 165100
Step 261: 165100 + 635 = 165735
Step 262: 165735 + 635 = 166370
Step 263: 166370 + 635 = 167005
Step 264: 167005 + 635 = 167640
Step 265: 167640 + 635 = 168275
Step 266: 168275 + 635 = 168910
Step 267: 168910 + 635 = 169545
Step 268: 169545 + 635 = 170180
Step 269: 170180 + 635 = 170815
Step 270: 170815 + 635 = 171450
Step 271: 171450 + 635 = 172085
Step 272: 172085 + 635 = 172720
Step 273: 172720 + 635 = 173355
Step 274: 173355 + 635 = 173990
Step 275: 173990 + 635 = 174625
Step 276: 174625 + 635 = 175260
Step 277: 175260 + 635 = 175895
Step 278: 175895 + 635 = 176530
Step 279: 176530 + 635 = 177165
Step 280: 177165 + 635 = 177800
Step 281: 177800 + 635 = 178435
Step 282: 178435 + 635 = 179070
Step 283: 179070 + 635 = 179705
Step 284: 179705 + 635 = 180340
Step 285: 180340 + 635 = 180975
Step 286: 180975 + 635 = 181610
Step 287: 181610 + 635 = 182245
Step 288: 182245 + 635 = 182880
Step 289: 182880 + 635 = 183515
Step 290: 183515 + 635 = 184150
Step 291: 184150 + 635 = 184785
Step 292: 184785 + 635 = 185420
Step 293: 185420 + 635 = 186055
Step 294: 186055 + 635 = 186690
Step 295: 186690 + 635 = 187325
Step 296: 187325 + 635 = 187960
Step 297: 187960 + 635 = 188595
Step 298: 188595 + 635 = 189230
Step 299: 189230 + 635 = 189865
Step 300: 189865 + 635 = 190500
Step 301: 190500 + 635 = 191135
Step 302: 191135 + 635 = 191770
Step 303: 191770 + 635 = 192405
Step 304: 192405 + 635 = 193040
Step 305: 193040 + 635 = 193675
Step 306: 193675 + 635 = 194310
Step 307: 194310 + 635 = 194945
Step 308: 194945 + 635 = 195580
Step 309: 195580 + 635 = 196215
Step 310: 196215 + 635 = 196850
Step 311: 196850 + 635 = 197485
Step 312: 197485 + 635 = 198120
Step 313: 198120 + 635 = 198755
Step 314: 198755 + 635 = 199390
Step 315: 199390 + 635 = 200025
Step 316: 200025 + 635 = 200660
Step 317: 200660 + 635 = 201295
Step 318: 201295 + 635 = 201930
Step 319: 201930 + 635 = 202565
Step 320: 202565 + 635 = 203200
Step 321: 203200 + 635 = 203835
Step 322: 203835 + 635 = 204470
Step 323: 204470 + 635 = 205105
Step 324: 205105 + 635 = 205740
Step 325: 205740 + 635 = 206375
Step 326: 206375 + 635 = 207010
Step 327: 207010 + 635 = 207645
Step 328: 207645 + 635 = 208280
Step 329: 208280 + 635 = 208915
Step 330: 208915 + 635 = 209550
Step 331: 209550 + 635 = 210185
Step 332: 210185 + 635 = 210820
Step 333: 210820 + 635 = 211455
Step 334: 211455 + 635 = 212090
Step 335: 212090 + 635 = 212725
Step 336: 212725 + 635 = 213360
Step 337: 213360 + 635 = 213995
Step 338: 213995 + 635 = 214630
Step 339: 214630 + 635 = 215265
Step 340: 215265 + 635 = 215900
Step 341: 215900 + 635 = 216535
Step 342: 216535 + 635 = 217170
Step 343: 217170 + 635 = 217805
Step 344: 217805 + 635 = 218440
Step 345: 218440 + 635 = 219075
Step 346: 219075 + 635 = 219710
Step 347: 219710 + 635 = 220345
Step 348: 220345 + 635 = 220980
Step 349: 220980 + 635 = 221615
Step 350: 221615 + 635 = 222250
Step 351: 222250 + 635 = 222885
Step 352: 222885 + 635 = 223520
Step 353: 223520 + 635 = 224155
Step 354: 224155 + 635 = 224790
Step 355: 224790 + 635 = 225425
Step 356: 225425 + 635 = 226060
Step 357: 226060 + 635 = 226695
Step 358: 226695 + 635 = 227330
Step 359: 227330 + 635 = 227965
Step 360: 227965 + 635 = 228600
Step 361: 228600 + 635 = 229235
Step 362: 229235 + 635 = 229870
Step 363: 229870 + 635 = 230505
Step 364: 230505 + 635 = 231140
Step 365: 231140 + 635 = 231775
Step 366: 231775 + 635 = 232410
Step 367: 232410 + 635 = 233045
Step 368: 233045 + 635 = 233680
Step 369: 233680 + 635 = 234315
Step 370: 234315 + 635 = 234950
Step 371: 234950 + 635 = 235585
Step 372: 235585 + 635 = 236220
Step 373: 236220 + 635 = 236855
Step 374: 236855 + 635 = 237490
Step 375: 237490 + 635 = 238125
Step 376: 238125 + 635 = 238760
Step 377: 238760 + 635 = 239395
Step 378: 239395 + 635 = 240030
Step 379: 240030 + 635 = 240665
Step 380: 240665 + 635 = 241300
Step 381: 241300 + 635 = 241935
Step 382: 241935 + 635 = 242570
Step 383: 242570 + 635 = 243205
Step 384: 243205 + 635 = 243840
Step 385: 243840 + 635 = 244475
Step 386: 244475 + 635 = 245110
Step 387: 245110 + 635 = 245745
Step 388: 245745 + 635 = 246380
Step 389: 246380 + 635 = 247015
Step 390: 247015 + 635 = 247650
Step 391: 247650 + 635 = 248285
Step 392: 248285 + 635 = 248920
Step 393: 248920 + 635 = 249555

So, 635*393 = 249555