Sure thing, let's get straight to it. We start with 971 and we're going to multiply it by 355, which means adding 971 to itself 355 times.
Step 1: 0 + 971 = 971
Step 2: 971 + 971 = 1942
Step 3: 1942 + 971 = 2913
Step 4: 2913 + 971 = 3884
Step 5: 3884 + 971 = 4855
Step 6: 4855 + 971 = 5826
Step 7: 5826 + 971 = 6797
Step 8: 6797 + 971 = 7768
Step 9: 7768 + 971 = 8739
Step 10: 8739 + 971 = 9710
Step 11: 9710 + 971 = 10681
Step 12: 10681 + 971 = 11652
Step 13: 11652 + 971 = 12623
Step 14: 12623 + 971 = 13594
Step 15: 13594 + 971 = 14565
Step 16: 14565 + 971 = 15536
Step 17: 15536 + 971 = 16507
Step 18: 16507 + 971 = 17478
Step 19: 17478 + 971 = 18449
Step 20: 18449 + 971 = 19420
Step 21: 19420 + 971 = 20391
Step 22: 20391 + 971 = 21362
Step 23: 21362 + 971 = 22333
Step 24: 22333 + 971 = 23304
Step 25: 23304 + 971 = 24275
Step 26: 24275 + 971 = 25246
Step 27: 25246 + 971 = 26217
Step 28: 26217 + 971 = 27188
Step 29: 27188 + 971 = 28159
Step 30: 28159 + 971 = 29130
Step 31: 29130 + 971 = 30101
Step 32: 30101 + 971 = 31072
Step 33: 31072 + 971 = 32043
Step 34: 32043 + 971 = 33014
Step 35: 33014 + 971 = 33985
Step 36: 33985 + 971 = 34956
Step 37: 34956 + 971 = 35927
Step 38: 35927 + 971 = 36898
Step 39: 36898 + 971 = 37869
Step 40: 37869 + 971 = 38840
Step 41: 38840 + 971 = 39811
Step 42: 39811 + 971 = 40782
Step 43: 40782 + 971 = 41753
Step 44: 41753 + 971 = 42724
Step 45: 42724 + 971 = 43695
Step 46: 43695 + 971 = 44666
Step 47: 44666 + 971 = 45637
Step 48: 45637 + 971 = 46608
Step 49: 46608 + 971 = 47579
Step 50: 47579 + 971 = 48550
Step 51: 48550 + 971 = 49521
Step 52: 49521 + 971 = 50492
Step 53: 50492 + 971 = 51463
Step 54: 51463 + 971 = 52434
Step 55: 52434 + 971 = 53405
Step 56: 53405 + 971 = 54376
Step 57: 54376 + 971 = 55347
Step 58: 55347 + 971 = 56318
Step 59: 56318 + 971 = 57289
Step 60: 57289 + 971 = 58260
Step 61: 58260 + 971 = 59231
Step 62: 59231 + 971 = 60202
Step 63: 60202 + 971 = 61173
Step 64: 61173 + 971 = 62144
Step 65: 62144 + 971 = 63115
Step 66: 63115 + 971 = 64086
Step 67: 64086 + 971 = 65057
Step 68: 65057 + 971 = 66028
Step 69: 66028 + 971 = 66999
Step 70: 66999 + 971 = 67970
Step 71: 67970 + 971 = 68941
Step 72: 68941 + 971 = 69912
Step 73: 69912 + 971 = 70883
Step 74: 70883 + 971 = 71854
Step 75: 71854 + 971 = 72825
Step 76: 72825 + 971 = 73796
Step 77: 73796 + 971 = 74767
Step 78: 74767 + 971 = 75738
Step 79: 75738 + 971 = 76709
Step 80: 76709 + 971 = 77680
Step 81: 77680 + 971 = 78651
Step 82: 78651 + 971 = 79622
Step 83: 79622 + 971 = 80593
Step 84: 80593 + 971 = 81564
Step 85: 81564 + 971 = 82535
Step 86: 82535 + 971 = 83506
Step 87: 83506 + 971 = 84477
Step 88: 84477 + 971 = 85448
Step 89: 85448 + 971 = 86419
Step 90: 86419 + 971 = 87390
Step 91: 87390 + 971 = 88361
Step 92: 88361 + 971 = 89332
Step 93: 89332 + 971 = 90303
Step 94: 90303 + 971 = 91274
Step 95: 91274 + 971 = 92245
Step 96: 92245 + 971 = 93216
Step 97: 93216 + 971 = 94187
Step 98: 94187 + 971 = 95158
Step 99: 95158 + 971 = 96129
Step 100: 96129 + 971 = 97100
Step 101: 97100 + 971 = 98071
Step 102: 98071 + 971 = 99042
Step 103: 99042 + 971 = 100013
Step 104: 100013 + 971 = 100984
Step 105: 100984 + 971 = 101955
Step 106: 101955 + 971 = 102926
Step 107: 102926 + 971 = 103897
Step 108: 103897 + 971 = 104868
Step 109: 104868 + 971 = 105839
Step 110: 105839 + 971 = 106810
Step 111: 106810 + 971 = 107781
Step 112: 107781 + 971 = 108752
Step 113: 108752 + 971 = 109723
Step 114: 109723 + 971 = 110694
Step 115: 110694 + 971 = 111665
Step 116: 111665 + 971 = 112636
Step 117: 112636 + 971 = 113607
Step 118: 113607 + 971 = 114578
Step 119: 114578 + 971 = 115549
Step 120: 115549 + 971 = 116520
Step 121: 116520 + 971 = 117491
Step 122: 117491 + 971 = 118462
Step 123: 118462 + 971 = 119433
Step 124: 119433 + 971 = 120404
Step 125: 120404 + 971 = 121375
Step 126: 121375 + 971 = 122346
Step 127: 122346 + 971 = 123317
Step 128: 123317 + 971 = 124288
Step 129: 124288 + 971 = 125259
Step 130: 125259 + 971 = 126230
Step 131: 126230 + 971 = 127201
Step 132: 127201 + 971 = 128172
Step 133: 128172 + 971 = 129143
Step 134: 129143 + 971 = 130114
Step 135: 130114 + 971 = 131085
Step 136: 131085 + 971 = 132056
Step 137: 132056 + 971 = 133027
Step 138: 133027 + 971 = 133998
Step 139: 133998 + 971 = 134969
Step 140: 134969 + 971 = 135940
Step 141: 135940 + 971 = 136911
Step 142: 136911 + 971 = 137882
Step 143: 137882 + 971 = 138853
Step 144: 138853 + 971 = 139824
Step 145: 139824 + 971 = 140795
Step 146: 140795 + 971 = 141766
Step 147: 141766 + 971 = 142737
Step 148: 142737 + 971 = 143708
Step 149: 143708 + 971 = 144679
Step 150: 144679 + 971 = 145650
Step 151: 145650 + 971 = 146621
Step 152: 146621 + 971 = 147592
Step 153: 147592 + 971 = 148563
Step 154: 148563 + 971 = 149534
Step 155: 149534 + 971 = 150505
Step 156: 150505 + 971 = 151476
Step 157: 151476 + 971 = 152447
Step 158: 152447 + 971 = 153418
Step 159: 153418 + 971 = 154389
Step 160: 154389 + 971 = 155360
Step 161: 155360 + 971 = 156331
Step 162: 156331 + 971 = 157302
Step 163: 157302 + 971 = 158273
Step 164: 158273 + 971 = 159244
Step 165: 159244 + 971 = 160215
Step 166: 160215 + 971 = 161186
Step 167: 161186 + 971 = 162157
Step 168: 162157 + 971 = 163128
Step 169: 163128 + 971 = 164099
Step 170: 164099 + 971 = 165070
Step 171: 165070 + 971 = 166041
Step 172: 166041 + 971 = 167012
Step 173: 167012 + 971 = 167983
Step 174: 167983 + 971 = 168954
Step 175: 168954 + 971 = 169925
Step 176: 169925 + 971 = 170896
Step 177: 170896 + 971 = 171867
Step 178: 171867 + 971 = 172838
Step 179: 172838 + 971 = 173809
Step 180: 173809 + 971 = 174780
Step 181: 174780 + 971 = 175751
Step 182: 175751 + 971 = 176722
Step 183: 176722 + 971 = 177693
Step 184: 177693 + 971 = 178664
Step 185: 178664 + 971 = 179635
Step 186: 179635 + 971 = 180606
Step 187: 180606 + 971 = 181577
Step 188: 181577 + 971 = 182548
Step 189: 182548 + 971 = 183519
Step 190: 183519 + 971 = 184490
Step 191: 184490 + 971 = 185461
Step 192: 185461 + 971 = 186432
Step 193: 186432 + 971 = 187403
Step 194: 187403 + 971 = 188374
Step 195: 188374 + 971 = 189345
Step 196: 189345 + 971 = 190316
Step 197: 190316 + 971 = 191287
Step 198: 191287 + 971 = 192258
Step 199: 192258 + 971 = 193229
Step 200: 193229 + 971 = 194200
Step 201: 194200 + 971 = 195171
Step 202: 195171 + 971 = 196142
Step 203: 196142 + 971 = 197113
Step 204: 197113 + 971 = 198084
Step 205: 198084 + 971 = 199055
Step 206: 199055 + 971 = 200026
Step 207: 200026 + 971 = 200997
Step 208: 200997 + 971 = 201968
Step 209: 201968 + 971 = 202939
Step 210: 202939 + 971 = 203910
Step 211: 203910 + 971 = 204881
Step 212: 204881 + 971 = 205852
Step 213: 205852 + 971 = 206823
Step 214: 206823 + 971 = 207794
Step 215: 207794 + 971 = 208765
Step 216: 208765 + 971 = 209736
Step 217: 209736 + 971 = 210707
Step 218: 210707 + 971 = 211678
Step 219: 211678 + 971 = 212649
Step 220: 212649 + 971 = 213620
Step 221: 213620 + 971 = 214591
Step 222: 214591 + 971 = 215562
Step 223: 215562 + 971 = 216533
Step 224: 216533 + 971 = 217504
Step 225: 217504 + 971 = 218475
Step 226: 218475 + 971 = 219446
Step 227: 219446 + 971 = 220417
Step 228: 220417 + 971 = 221388
Step 229: 221388 + 971 = 222359
Step 230: 222359 + 971 = 223330
Step 231: 223330 + 971 = 224301
Step 232: 224301 + 971 = 225272
Step 233: 225272 + 971 = 226243
Step 234: 226243 + 971 = 227214
Step 235: 227214 + 971 = 228185
Step 236: 228185 + 971 = 229156
Step 237: 229156 + 971 = 230127
Step 238: 230127 + 971 = 231098
Step 239: 231098 + 971 = 232069
Step 240: 232069 + 971 = 233040
Step 241: 233040 + 971 = 234011
Step 242: 234011 + 971 = 234982
Step 243: 234982 + 971 = 235953
Step 244: 235953 + 971 = 236924
Step 245: 236924 + 971 = 237895
Step 246: 237895 + 971 = 238866
Step 247: 238866 + 971 = 239837
Step 248: 239837 + 971 = 240808
Step 249: 240808 + 971 = 241779
Step 250: 241779 + 971 = 242750
Step 251: 242750 + 971 = 243721
Step 252: 243721 + 971 = 244692
Step 253: 244692 + 971 = 245663
Step 254: 245663 + 971 = 246634
Step 255: 246634 + 971 = 247605
Step 256: 247605 + 971 = 248576
Step 257: 248576 + 971 = 249547
Step 258: 249547 + 971 = 250518
Step 259: 250518 + 971 = 251489
Step 260: 251489 + 971 = 252460
Step 261: 252460 + 971 = 253431
Step 262: 253431 + 971 = 254402
Step 263: 254402 + 971 = 255373
Step 264: 255373 + 971 = 256344
Step 265: 256344 + 971 = 257315
Step 266: 257315 + 971 = 258286
Step 267: 258286 + 971 = 259257
Step 268: 259257 + 971 = 260228
Step 269: 260228 + 971 = 261199
Step 270: 261199 + 971 = 262170
Step 271: 262170 + 971 = 263141
Step 272: 263141 + 971 = 264112
Step 273: 264112 + 971 = 265083
Step 274: 265083 + 971 = 266054
Step 275: 266054 + 971 = 267025
Step 276: 267025 + 971 = 267996
Step 277: 267996 + 971 = 268967
Step 278: 268967 + 971 = 269938
Step 279: 269938 + 971 = 270909
Step 280: 270909 + 971 = 271880
Step 281: 271880 + 971 = 272851
Step 282: 272851 + 971 = 273822
Step 283: 273822 + 971 = 274793
Step 284: 274793 + 971 = 275764
Step 285: 275764 + 971 = 276735
Step 286: 276735 + 971 = 277706
Step 287: 277706 + 971 = 278677
Step 288: 278677 + 971 = 279648
Step 289: 279648 + 971 = 280619
Step 290: 280619 + 971 = 281590
Step 291: 281590 + 971 = 282561
Step 292: 282561 + 971 = 283532
Step 293: 283532 + 971 = 284503
Step 294: 284503 + 971 = 285474
Step 295: 285474 + 971 = 286445
Step 296: 286445 + 971 = 287416
Step 297: 287416 + 971 = 288387
Step 298: 288387 + 971 = 289358
Step 299: 289358 + 971 = 290329
Step 300: 290329 + 971 = 291300
Step 301: 291300 + 971 = 292271
Step 302: 292271 + 971 = 293242
Step 303: 293242 + 971 = 294213
Step 304: 294213 + 971 = 295184
Step 305: 295184 + 971 = 296155
Step 306: 296155 + 971 = 297126
Step 307: 297126 + 971 = 298097
Step 308: 298097 + 971 = 299068
Step 309: 299068 + 971 = 300039
Step 310: 300039 + 971 = 301010
Step 311: 301010 + 971 = 301981
Step 312: 301981 + 971 = 302952
Step 313: 302952 + 971 = 303923
Step 314: 303923 + 971 = 304894
Step 315: 304894 + 971 = 305865
Step 316: 305865 + 971 = 306836
Step 317: 306836 + 971 = 307807
Step 318: 307807 + 971 = 308778
Step 319: 308778 + 971 = 309749
Step 320: 309749 + 971 = 310720
Step 321: 310720 + 971 = 311691
Step 322: 311691 + 971 = 312662
Step 323: 312662 + 971 = 313633
Step 324: 313633 + 971 = 314604
Step 325: 314604 + 971 = 315575
Step 326: 315575 + 971 = 316546
Step 327: 316546 + 971 = 317517
Step 328: 317517 + 971 = 318488
Step 329: 318488 + 971 = 319459
Step 330: 319459 + 971 = 320430
Step 331: 320430 + 971 = 321401
Step 332: 321401 + 971 = 322372
Step 333: 322372 + 971 = 323343
Step 334: 323343 + 971 = 324314
Step 335: 324314 + 971 = 325285
Step 336: 325285 + 971 = 326256
Step 337: 326256 + 971 = 327227
Step 338: 327227 + 971 = 328198
Step 339: 328198 + 971 = 329169
Step 340: 329169 + 971 = 330140
Step 341: 330140 + 971 = 331111
Step 342: 331111 + 971 = 332082
Step 343: 332082 + 971 = 333053
Step 344: 333053 + 971 = 334024
Step 345: 334024 + 971 = 334995
Step 346: 334995 + 971 = 335966
Step 347: 335966 + 971 = 336937
Step 348: 336937 + 971 = 337908
Step 349: 337908 + 971 = 338879
Step 350: 338879 + 971 = 339850
Step 351: 339850 + 971 = 340821
Step 352: 340821 + 971 = 341792
Step 353: 341792 + 971 = 342763
Step 354: 342763 + 971 = 343734
Step 355: 343734 + 971 = 344705

So, 971*355 = 344705