Let's roll up our sleeves and solve this. We have 357 and we're going to multiply it by 276, essentially adding 357 to itself 276 times.
Step 1: 0 + 357 = 357
Step 2: 357 + 357 = 714
Step 3: 714 + 357 = 1071
Step 4: 1071 + 357 = 1428
Step 5: 1428 + 357 = 1785
Step 6: 1785 + 357 = 2142
Step 7: 2142 + 357 = 2499
Step 8: 2499 + 357 = 2856
Step 9: 2856 + 357 = 3213
Step 10: 3213 + 357 = 3570
Step 11: 3570 + 357 = 3927
Step 12: 3927 + 357 = 4284
Step 13: 4284 + 357 = 4641
Step 14: 4641 + 357 = 4998
Step 15: 4998 + 357 = 5355
Step 16: 5355 + 357 = 5712
Step 17: 5712 + 357 = 6069
Step 18: 6069 + 357 = 6426
Step 19: 6426 + 357 = 6783
Step 20: 6783 + 357 = 7140
Step 21: 7140 + 357 = 7497
Step 22: 7497 + 357 = 7854
Step 23: 7854 + 357 = 8211
Step 24: 8211 + 357 = 8568
Step 25: 8568 + 357 = 8925
Step 26: 8925 + 357 = 9282
Step 27: 9282 + 357 = 9639
Step 28: 9639 + 357 = 9996
Step 29: 9996 + 357 = 10353
Step 30: 10353 + 357 = 10710
Step 31: 10710 + 357 = 11067
Step 32: 11067 + 357 = 11424
Step 33: 11424 + 357 = 11781
Step 34: 11781 + 357 = 12138
Step 35: 12138 + 357 = 12495
Step 36: 12495 + 357 = 12852
Step 37: 12852 + 357 = 13209
Step 38: 13209 + 357 = 13566
Step 39: 13566 + 357 = 13923
Step 40: 13923 + 357 = 14280
Step 41: 14280 + 357 = 14637
Step 42: 14637 + 357 = 14994
Step 43: 14994 + 357 = 15351
Step 44: 15351 + 357 = 15708
Step 45: 15708 + 357 = 16065
Step 46: 16065 + 357 = 16422
Step 47: 16422 + 357 = 16779
Step 48: 16779 + 357 = 17136
Step 49: 17136 + 357 = 17493
Step 50: 17493 + 357 = 17850
Step 51: 17850 + 357 = 18207
Step 52: 18207 + 357 = 18564
Step 53: 18564 + 357 = 18921
Step 54: 18921 + 357 = 19278
Step 55: 19278 + 357 = 19635
Step 56: 19635 + 357 = 19992
Step 57: 19992 + 357 = 20349
Step 58: 20349 + 357 = 20706
Step 59: 20706 + 357 = 21063
Step 60: 21063 + 357 = 21420
Step 61: 21420 + 357 = 21777
Step 62: 21777 + 357 = 22134
Step 63: 22134 + 357 = 22491
Step 64: 22491 + 357 = 22848
Step 65: 22848 + 357 = 23205
Step 66: 23205 + 357 = 23562
Step 67: 23562 + 357 = 23919
Step 68: 23919 + 357 = 24276
Step 69: 24276 + 357 = 24633
Step 70: 24633 + 357 = 24990
Step 71: 24990 + 357 = 25347
Step 72: 25347 + 357 = 25704
Step 73: 25704 + 357 = 26061
Step 74: 26061 + 357 = 26418
Step 75: 26418 + 357 = 26775
Step 76: 26775 + 357 = 27132
Step 77: 27132 + 357 = 27489
Step 78: 27489 + 357 = 27846
Step 79: 27846 + 357 = 28203
Step 80: 28203 + 357 = 28560
Step 81: 28560 + 357 = 28917
Step 82: 28917 + 357 = 29274
Step 83: 29274 + 357 = 29631
Step 84: 29631 + 357 = 29988
Step 85: 29988 + 357 = 30345
Step 86: 30345 + 357 = 30702
Step 87: 30702 + 357 = 31059
Step 88: 31059 + 357 = 31416
Step 89: 31416 + 357 = 31773
Step 90: 31773 + 357 = 32130
Step 91: 32130 + 357 = 32487
Step 92: 32487 + 357 = 32844
Step 93: 32844 + 357 = 33201
Step 94: 33201 + 357 = 33558
Step 95: 33558 + 357 = 33915
Step 96: 33915 + 357 = 34272
Step 97: 34272 + 357 = 34629
Step 98: 34629 + 357 = 34986
Step 99: 34986 + 357 = 35343
Step 100: 35343 + 357 = 35700
Step 101: 35700 + 357 = 36057
Step 102: 36057 + 357 = 36414
Step 103: 36414 + 357 = 36771
Step 104: 36771 + 357 = 37128
Step 105: 37128 + 357 = 37485
Step 106: 37485 + 357 = 37842
Step 107: 37842 + 357 = 38199
Step 108: 38199 + 357 = 38556
Step 109: 38556 + 357 = 38913
Step 110: 38913 + 357 = 39270
Step 111: 39270 + 357 = 39627
Step 112: 39627 + 357 = 39984
Step 113: 39984 + 357 = 40341
Step 114: 40341 + 357 = 40698
Step 115: 40698 + 357 = 41055
Step 116: 41055 + 357 = 41412
Step 117: 41412 + 357 = 41769
Step 118: 41769 + 357 = 42126
Step 119: 42126 + 357 = 42483
Step 120: 42483 + 357 = 42840
Step 121: 42840 + 357 = 43197
Step 122: 43197 + 357 = 43554
Step 123: 43554 + 357 = 43911
Step 124: 43911 + 357 = 44268
Step 125: 44268 + 357 = 44625
Step 126: 44625 + 357 = 44982
Step 127: 44982 + 357 = 45339
Step 128: 45339 + 357 = 45696
Step 129: 45696 + 357 = 46053
Step 130: 46053 + 357 = 46410
Step 131: 46410 + 357 = 46767
Step 132: 46767 + 357 = 47124
Step 133: 47124 + 357 = 47481
Step 134: 47481 + 357 = 47838
Step 135: 47838 + 357 = 48195
Step 136: 48195 + 357 = 48552
Step 137: 48552 + 357 = 48909
Step 138: 48909 + 357 = 49266
Step 139: 49266 + 357 = 49623
Step 140: 49623 + 357 = 49980
Step 141: 49980 + 357 = 50337
Step 142: 50337 + 357 = 50694
Step 143: 50694 + 357 = 51051
Step 144: 51051 + 357 = 51408
Step 145: 51408 + 357 = 51765
Step 146: 51765 + 357 = 52122
Step 147: 52122 + 357 = 52479
Step 148: 52479 + 357 = 52836
Step 149: 52836 + 357 = 53193
Step 150: 53193 + 357 = 53550
Step 151: 53550 + 357 = 53907
Step 152: 53907 + 357 = 54264
Step 153: 54264 + 357 = 54621
Step 154: 54621 + 357 = 54978
Step 155: 54978 + 357 = 55335
Step 156: 55335 + 357 = 55692
Step 157: 55692 + 357 = 56049
Step 158: 56049 + 357 = 56406
Step 159: 56406 + 357 = 56763
Step 160: 56763 + 357 = 57120
Step 161: 57120 + 357 = 57477
Step 162: 57477 + 357 = 57834
Step 163: 57834 + 357 = 58191
Step 164: 58191 + 357 = 58548
Step 165: 58548 + 357 = 58905
Step 166: 58905 + 357 = 59262
Step 167: 59262 + 357 = 59619
Step 168: 59619 + 357 = 59976
Step 169: 59976 + 357 = 60333
Step 170: 60333 + 357 = 60690
Step 171: 60690 + 357 = 61047
Step 172: 61047 + 357 = 61404
Step 173: 61404 + 357 = 61761
Step 174: 61761 + 357 = 62118
Step 175: 62118 + 357 = 62475
Step 176: 62475 + 357 = 62832
Step 177: 62832 + 357 = 63189
Step 178: 63189 + 357 = 63546
Step 179: 63546 + 357 = 63903
Step 180: 63903 + 357 = 64260
Step 181: 64260 + 357 = 64617
Step 182: 64617 + 357 = 64974
Step 183: 64974 + 357 = 65331
Step 184: 65331 + 357 = 65688
Step 185: 65688 + 357 = 66045
Step 186: 66045 + 357 = 66402
Step 187: 66402 + 357 = 66759
Step 188: 66759 + 357 = 67116
Step 189: 67116 + 357 = 67473
Step 190: 67473 + 357 = 67830
Step 191: 67830 + 357 = 68187
Step 192: 68187 + 357 = 68544
Step 193: 68544 + 357 = 68901
Step 194: 68901 + 357 = 69258
Step 195: 69258 + 357 = 69615
Step 196: 69615 + 357 = 69972
Step 197: 69972 + 357 = 70329
Step 198: 70329 + 357 = 70686
Step 199: 70686 + 357 = 71043
Step 200: 71043 + 357 = 71400
Step 201: 71400 + 357 = 71757
Step 202: 71757 + 357 = 72114
Step 203: 72114 + 357 = 72471
Step 204: 72471 + 357 = 72828
Step 205: 72828 + 357 = 73185
Step 206: 73185 + 357 = 73542
Step 207: 73542 + 357 = 73899
Step 208: 73899 + 357 = 74256
Step 209: 74256 + 357 = 74613
Step 210: 74613 + 357 = 74970
Step 211: 74970 + 357 = 75327
Step 212: 75327 + 357 = 75684
Step 213: 75684 + 357 = 76041
Step 214: 76041 + 357 = 76398
Step 215: 76398 + 357 = 76755
Step 216: 76755 + 357 = 77112
Step 217: 77112 + 357 = 77469
Step 218: 77469 + 357 = 77826
Step 219: 77826 + 357 = 78183
Step 220: 78183 + 357 = 78540
Step 221: 78540 + 357 = 78897
Step 222: 78897 + 357 = 79254
Step 223: 79254 + 357 = 79611
Step 224: 79611 + 357 = 79968
Step 225: 79968 + 357 = 80325
Step 226: 80325 + 357 = 80682
Step 227: 80682 + 357 = 81039
Step 228: 81039 + 357 = 81396
Step 229: 81396 + 357 = 81753
Step 230: 81753 + 357 = 82110
Step 231: 82110 + 357 = 82467
Step 232: 82467 + 357 = 82824
Step 233: 82824 + 357 = 83181
Step 234: 83181 + 357 = 83538
Step 235: 83538 + 357 = 83895
Step 236: 83895 + 357 = 84252
Step 237: 84252 + 357 = 84609
Step 238: 84609 + 357 = 84966
Step 239: 84966 + 357 = 85323
Step 240: 85323 + 357 = 85680
Step 241: 85680 + 357 = 86037
Step 242: 86037 + 357 = 86394
Step 243: 86394 + 357 = 86751
Step 244: 86751 + 357 = 87108
Step 245: 87108 + 357 = 87465
Step 246: 87465 + 357 = 87822
Step 247: 87822 + 357 = 88179
Step 248: 88179 + 357 = 88536
Step 249: 88536 + 357 = 88893
Step 250: 88893 + 357 = 89250
Step 251: 89250 + 357 = 89607
Step 252: 89607 + 357 = 89964
Step 253: 89964 + 357 = 90321
Step 254: 90321 + 357 = 90678
Step 255: 90678 + 357 = 91035
Step 256: 91035 + 357 = 91392
Step 257: 91392 + 357 = 91749
Step 258: 91749 + 357 = 92106
Step 259: 92106 + 357 = 92463
Step 260: 92463 + 357 = 92820
Step 261: 92820 + 357 = 93177
Step 262: 93177 + 357 = 93534
Step 263: 93534 + 357 = 93891
Step 264: 93891 + 357 = 94248
Step 265: 94248 + 357 = 94605
Step 266: 94605 + 357 = 94962
Step 267: 94962 + 357 = 95319
Step 268: 95319 + 357 = 95676
Step 269: 95676 + 357 = 96033
Step 270: 96033 + 357 = 96390
Step 271: 96390 + 357 = 96747
Step 272: 96747 + 357 = 97104
Step 273: 97104 + 357 = 97461
Step 274: 97461 + 357 = 97818
Step 275: 97818 + 357 = 98175
Step 276: 98175 + 357 = 98532

So, 357*276 = 98532