Alright, let's solve this math problem step by step. First, we have the number 435. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 397. So, we're going to take the number 435 and add it to itself 397 times.
Step 1: 0 + 435 = 435
Step 2: 435 + 435 = 870
Step 3: 870 + 435 = 1305
Step 4: 1305 + 435 = 1740
Step 5: 1740 + 435 = 2175
Step 6: 2175 + 435 = 2610
Step 7: 2610 + 435 = 3045
Step 8: 3045 + 435 = 3480
Step 9: 3480 + 435 = 3915
Step 10: 3915 + 435 = 4350
Step 11: 4350 + 435 = 4785
Step 12: 4785 + 435 = 5220
Step 13: 5220 + 435 = 5655
Step 14: 5655 + 435 = 6090
Step 15: 6090 + 435 = 6525
Step 16: 6525 + 435 = 6960
Step 17: 6960 + 435 = 7395
Step 18: 7395 + 435 = 7830
Step 19: 7830 + 435 = 8265
Step 20: 8265 + 435 = 8700
Step 21: 8700 + 435 = 9135
Step 22: 9135 + 435 = 9570
Step 23: 9570 + 435 = 10005
Step 24: 10005 + 435 = 10440
Step 25: 10440 + 435 = 10875
Step 26: 10875 + 435 = 11310
Step 27: 11310 + 435 = 11745
Step 28: 11745 + 435 = 12180
Step 29: 12180 + 435 = 12615
Step 30: 12615 + 435 = 13050
Step 31: 13050 + 435 = 13485
Step 32: 13485 + 435 = 13920
Step 33: 13920 + 435 = 14355
Step 34: 14355 + 435 = 14790
Step 35: 14790 + 435 = 15225
Step 36: 15225 + 435 = 15660
Step 37: 15660 + 435 = 16095
Step 38: 16095 + 435 = 16530
Step 39: 16530 + 435 = 16965
Step 40: 16965 + 435 = 17400
Step 41: 17400 + 435 = 17835
Step 42: 17835 + 435 = 18270
Step 43: 18270 + 435 = 18705
Step 44: 18705 + 435 = 19140
Step 45: 19140 + 435 = 19575
Step 46: 19575 + 435 = 20010
Step 47: 20010 + 435 = 20445
Step 48: 20445 + 435 = 20880
Step 49: 20880 + 435 = 21315
Step 50: 21315 + 435 = 21750
Step 51: 21750 + 435 = 22185
Step 52: 22185 + 435 = 22620
Step 53: 22620 + 435 = 23055
Step 54: 23055 + 435 = 23490
Step 55: 23490 + 435 = 23925
Step 56: 23925 + 435 = 24360
Step 57: 24360 + 435 = 24795
Step 58: 24795 + 435 = 25230
Step 59: 25230 + 435 = 25665
Step 60: 25665 + 435 = 26100
Step 61: 26100 + 435 = 26535
Step 62: 26535 + 435 = 26970
Step 63: 26970 + 435 = 27405
Step 64: 27405 + 435 = 27840
Step 65: 27840 + 435 = 28275
Step 66: 28275 + 435 = 28710
Step 67: 28710 + 435 = 29145
Step 68: 29145 + 435 = 29580
Step 69: 29580 + 435 = 30015
Step 70: 30015 + 435 = 30450
Step 71: 30450 + 435 = 30885
Step 72: 30885 + 435 = 31320
Step 73: 31320 + 435 = 31755
Step 74: 31755 + 435 = 32190
Step 75: 32190 + 435 = 32625
Step 76: 32625 + 435 = 33060
Step 77: 33060 + 435 = 33495
Step 78: 33495 + 435 = 33930
Step 79: 33930 + 435 = 34365
Step 80: 34365 + 435 = 34800
Step 81: 34800 + 435 = 35235
Step 82: 35235 + 435 = 35670
Step 83: 35670 + 435 = 36105
Step 84: 36105 + 435 = 36540
Step 85: 36540 + 435 = 36975
Step 86: 36975 + 435 = 37410
Step 87: 37410 + 435 = 37845
Step 88: 37845 + 435 = 38280
Step 89: 38280 + 435 = 38715
Step 90: 38715 + 435 = 39150
Step 91: 39150 + 435 = 39585
Step 92: 39585 + 435 = 40020
Step 93: 40020 + 435 = 40455
Step 94: 40455 + 435 = 40890
Step 95: 40890 + 435 = 41325
Step 96: 41325 + 435 = 41760
Step 97: 41760 + 435 = 42195
Step 98: 42195 + 435 = 42630
Step 99: 42630 + 435 = 43065
Step 100: 43065 + 435 = 43500
Step 101: 43500 + 435 = 43935
Step 102: 43935 + 435 = 44370
Step 103: 44370 + 435 = 44805
Step 104: 44805 + 435 = 45240
Step 105: 45240 + 435 = 45675
Step 106: 45675 + 435 = 46110
Step 107: 46110 + 435 = 46545
Step 108: 46545 + 435 = 46980
Step 109: 46980 + 435 = 47415
Step 110: 47415 + 435 = 47850
Step 111: 47850 + 435 = 48285
Step 112: 48285 + 435 = 48720
Step 113: 48720 + 435 = 49155
Step 114: 49155 + 435 = 49590
Step 115: 49590 + 435 = 50025
Step 116: 50025 + 435 = 50460
Step 117: 50460 + 435 = 50895
Step 118: 50895 + 435 = 51330
Step 119: 51330 + 435 = 51765
Step 120: 51765 + 435 = 52200
Step 121: 52200 + 435 = 52635
Step 122: 52635 + 435 = 53070
Step 123: 53070 + 435 = 53505
Step 124: 53505 + 435 = 53940
Step 125: 53940 + 435 = 54375
Step 126: 54375 + 435 = 54810
Step 127: 54810 + 435 = 55245
Step 128: 55245 + 435 = 55680
Step 129: 55680 + 435 = 56115
Step 130: 56115 + 435 = 56550
Step 131: 56550 + 435 = 56985
Step 132: 56985 + 435 = 57420
Step 133: 57420 + 435 = 57855
Step 134: 57855 + 435 = 58290
Step 135: 58290 + 435 = 58725
Step 136: 58725 + 435 = 59160
Step 137: 59160 + 435 = 59595
Step 138: 59595 + 435 = 60030
Step 139: 60030 + 435 = 60465
Step 140: 60465 + 435 = 60900
Step 141: 60900 + 435 = 61335
Step 142: 61335 + 435 = 61770
Step 143: 61770 + 435 = 62205
Step 144: 62205 + 435 = 62640
Step 145: 62640 + 435 = 63075
Step 146: 63075 + 435 = 63510
Step 147: 63510 + 435 = 63945
Step 148: 63945 + 435 = 64380
Step 149: 64380 + 435 = 64815
Step 150: 64815 + 435 = 65250
Step 151: 65250 + 435 = 65685
Step 152: 65685 + 435 = 66120
Step 153: 66120 + 435 = 66555
Step 154: 66555 + 435 = 66990
Step 155: 66990 + 435 = 67425
Step 156: 67425 + 435 = 67860
Step 157: 67860 + 435 = 68295
Step 158: 68295 + 435 = 68730
Step 159: 68730 + 435 = 69165
Step 160: 69165 + 435 = 69600
Step 161: 69600 + 435 = 70035
Step 162: 70035 + 435 = 70470
Step 163: 70470 + 435 = 70905
Step 164: 70905 + 435 = 71340
Step 165: 71340 + 435 = 71775
Step 166: 71775 + 435 = 72210
Step 167: 72210 + 435 = 72645
Step 168: 72645 + 435 = 73080
Step 169: 73080 + 435 = 73515
Step 170: 73515 + 435 = 73950
Step 171: 73950 + 435 = 74385
Step 172: 74385 + 435 = 74820
Step 173: 74820 + 435 = 75255
Step 174: 75255 + 435 = 75690
Step 175: 75690 + 435 = 76125
Step 176: 76125 + 435 = 76560
Step 177: 76560 + 435 = 76995
Step 178: 76995 + 435 = 77430
Step 179: 77430 + 435 = 77865
Step 180: 77865 + 435 = 78300
Step 181: 78300 + 435 = 78735
Step 182: 78735 + 435 = 79170
Step 183: 79170 + 435 = 79605
Step 184: 79605 + 435 = 80040
Step 185: 80040 + 435 = 80475
Step 186: 80475 + 435 = 80910
Step 187: 80910 + 435 = 81345
Step 188: 81345 + 435 = 81780
Step 189: 81780 + 435 = 82215
Step 190: 82215 + 435 = 82650
Step 191: 82650 + 435 = 83085
Step 192: 83085 + 435 = 83520
Step 193: 83520 + 435 = 83955
Step 194: 83955 + 435 = 84390
Step 195: 84390 + 435 = 84825
Step 196: 84825 + 435 = 85260
Step 197: 85260 + 435 = 85695
Step 198: 85695 + 435 = 86130
Step 199: 86130 + 435 = 86565
Step 200: 86565 + 435 = 87000
Step 201: 87000 + 435 = 87435
Step 202: 87435 + 435 = 87870
Step 203: 87870 + 435 = 88305
Step 204: 88305 + 435 = 88740
Step 205: 88740 + 435 = 89175
Step 206: 89175 + 435 = 89610
Step 207: 89610 + 435 = 90045
Step 208: 90045 + 435 = 90480
Step 209: 90480 + 435 = 90915
Step 210: 90915 + 435 = 91350
Step 211: 91350 + 435 = 91785
Step 212: 91785 + 435 = 92220
Step 213: 92220 + 435 = 92655
Step 214: 92655 + 435 = 93090
Step 215: 93090 + 435 = 93525
Step 216: 93525 + 435 = 93960
Step 217: 93960 + 435 = 94395
Step 218: 94395 + 435 = 94830
Step 219: 94830 + 435 = 95265
Step 220: 95265 + 435 = 95700
Step 221: 95700 + 435 = 96135
Step 222: 96135 + 435 = 96570
Step 223: 96570 + 435 = 97005
Step 224: 97005 + 435 = 97440
Step 225: 97440 + 435 = 97875
Step 226: 97875 + 435 = 98310
Step 227: 98310 + 435 = 98745
Step 228: 98745 + 435 = 99180
Step 229: 99180 + 435 = 99615
Step 230: 99615 + 435 = 100050
Step 231: 100050 + 435 = 100485
Step 232: 100485 + 435 = 100920
Step 233: 100920 + 435 = 101355
Step 234: 101355 + 435 = 101790
Step 235: 101790 + 435 = 102225
Step 236: 102225 + 435 = 102660
Step 237: 102660 + 435 = 103095
Step 238: 103095 + 435 = 103530
Step 239: 103530 + 435 = 103965
Step 240: 103965 + 435 = 104400
Step 241: 104400 + 435 = 104835
Step 242: 104835 + 435 = 105270
Step 243: 105270 + 435 = 105705
Step 244: 105705 + 435 = 106140
Step 245: 106140 + 435 = 106575
Step 246: 106575 + 435 = 107010
Step 247: 107010 + 435 = 107445
Step 248: 107445 + 435 = 107880
Step 249: 107880 + 435 = 108315
Step 250: 108315 + 435 = 108750
Step 251: 108750 + 435 = 109185
Step 252: 109185 + 435 = 109620
Step 253: 109620 + 435 = 110055
Step 254: 110055 + 435 = 110490
Step 255: 110490 + 435 = 110925
Step 256: 110925 + 435 = 111360
Step 257: 111360 + 435 = 111795
Step 258: 111795 + 435 = 112230
Step 259: 112230 + 435 = 112665
Step 260: 112665 + 435 = 113100
Step 261: 113100 + 435 = 113535
Step 262: 113535 + 435 = 113970
Step 263: 113970 + 435 = 114405
Step 264: 114405 + 435 = 114840
Step 265: 114840 + 435 = 115275
Step 266: 115275 + 435 = 115710
Step 267: 115710 + 435 = 116145
Step 268: 116145 + 435 = 116580
Step 269: 116580 + 435 = 117015
Step 270: 117015 + 435 = 117450
Step 271: 117450 + 435 = 117885
Step 272: 117885 + 435 = 118320
Step 273: 118320 + 435 = 118755
Step 274: 118755 + 435 = 119190
Step 275: 119190 + 435 = 119625
Step 276: 119625 + 435 = 120060
Step 277: 120060 + 435 = 120495
Step 278: 120495 + 435 = 120930
Step 279: 120930 + 435 = 121365
Step 280: 121365 + 435 = 121800
Step 281: 121800 + 435 = 122235
Step 282: 122235 + 435 = 122670
Step 283: 122670 + 435 = 123105
Step 284: 123105 + 435 = 123540
Step 285: 123540 + 435 = 123975
Step 286: 123975 + 435 = 124410
Step 287: 124410 + 435 = 124845
Step 288: 124845 + 435 = 125280
Step 289: 125280 + 435 = 125715
Step 290: 125715 + 435 = 126150
Step 291: 126150 + 435 = 126585
Step 292: 126585 + 435 = 127020
Step 293: 127020 + 435 = 127455
Step 294: 127455 + 435 = 127890
Step 295: 127890 + 435 = 128325
Step 296: 128325 + 435 = 128760
Step 297: 128760 + 435 = 129195
Step 298: 129195 + 435 = 129630
Step 299: 129630 + 435 = 130065
Step 300: 130065 + 435 = 130500
Step 301: 130500 + 435 = 130935
Step 302: 130935 + 435 = 131370
Step 303: 131370 + 435 = 131805
Step 304: 131805 + 435 = 132240
Step 305: 132240 + 435 = 132675
Step 306: 132675 + 435 = 133110
Step 307: 133110 + 435 = 133545
Step 308: 133545 + 435 = 133980
Step 309: 133980 + 435 = 134415
Step 310: 134415 + 435 = 134850
Step 311: 134850 + 435 = 135285
Step 312: 135285 + 435 = 135720
Step 313: 135720 + 435 = 136155
Step 314: 136155 + 435 = 136590
Step 315: 136590 + 435 = 137025
Step 316: 137025 + 435 = 137460
Step 317: 137460 + 435 = 137895
Step 318: 137895 + 435 = 138330
Step 319: 138330 + 435 = 138765
Step 320: 138765 + 435 = 139200
Step 321: 139200 + 435 = 139635
Step 322: 139635 + 435 = 140070
Step 323: 140070 + 435 = 140505
Step 324: 140505 + 435 = 140940
Step 325: 140940 + 435 = 141375
Step 326: 141375 + 435 = 141810
Step 327: 141810 + 435 = 142245
Step 328: 142245 + 435 = 142680
Step 329: 142680 + 435 = 143115
Step 330: 143115 + 435 = 143550
Step 331: 143550 + 435 = 143985
Step 332: 143985 + 435 = 144420
Step 333: 144420 + 435 = 144855
Step 334: 144855 + 435 = 145290
Step 335: 145290 + 435 = 145725
Step 336: 145725 + 435 = 146160
Step 337: 146160 + 435 = 146595
Step 338: 146595 + 435 = 147030
Step 339: 147030 + 435 = 147465
Step 340: 147465 + 435 = 147900
Step 341: 147900 + 435 = 148335
Step 342: 148335 + 435 = 148770
Step 343: 148770 + 435 = 149205
Step 344: 149205 + 435 = 149640
Step 345: 149640 + 435 = 150075
Step 346: 150075 + 435 = 150510
Step 347: 150510 + 435 = 150945
Step 348: 150945 + 435 = 151380
Step 349: 151380 + 435 = 151815
Step 350: 151815 + 435 = 152250
Step 351: 152250 + 435 = 152685
Step 352: 152685 + 435 = 153120
Step 353: 153120 + 435 = 153555
Step 354: 153555 + 435 = 153990
Step 355: 153990 + 435 = 154425
Step 356: 154425 + 435 = 154860
Step 357: 154860 + 435 = 155295
Step 358: 155295 + 435 = 155730
Step 359: 155730 + 435 = 156165
Step 360: 156165 + 435 = 156600
Step 361: 156600 + 435 = 157035
Step 362: 157035 + 435 = 157470
Step 363: 157470 + 435 = 157905
Step 364: 157905 + 435 = 158340
Step 365: 158340 + 435 = 158775
Step 366: 158775 + 435 = 159210
Step 367: 159210 + 435 = 159645
Step 368: 159645 + 435 = 160080
Step 369: 160080 + 435 = 160515
Step 370: 160515 + 435 = 160950
Step 371: 160950 + 435 = 161385
Step 372: 161385 + 435 = 161820
Step 373: 161820 + 435 = 162255
Step 374: 162255 + 435 = 162690
Step 375: 162690 + 435 = 163125
Step 376: 163125 + 435 = 163560
Step 377: 163560 + 435 = 163995
Step 378: 163995 + 435 = 164430
Step 379: 164430 + 435 = 164865
Step 380: 164865 + 435 = 165300
Step 381: 165300 + 435 = 165735
Step 382: 165735 + 435 = 166170
Step 383: 166170 + 435 = 166605
Step 384: 166605 + 435 = 167040
Step 385: 167040 + 435 = 167475
Step 386: 167475 + 435 = 167910
Step 387: 167910 + 435 = 168345
Step 388: 168345 + 435 = 168780
Step 389: 168780 + 435 = 169215
Step 390: 169215 + 435 = 169650
Step 391: 169650 + 435 = 170085
Step 392: 170085 + 435 = 170520
Step 393: 170520 + 435 = 170955
Step 394: 170955 + 435 = 171390
Step 395: 171390 + 435 = 171825
Step 396: 171825 + 435 = 172260
Step 397: 172260 + 435 = 172695

So, 435*397 = 172695