OK, let's crack this. We're given 109 and our task is to multiply it by 276. Essentially, we'll be adding 109 to itself 276 times.
Step 1: 0 + 109 = 109
Step 2: 109 + 109 = 218
Step 3: 218 + 109 = 327
Step 4: 327 + 109 = 436
Step 5: 436 + 109 = 545
Step 6: 545 + 109 = 654
Step 7: 654 + 109 = 763
Step 8: 763 + 109 = 872
Step 9: 872 + 109 = 981
Step 10: 981 + 109 = 1090
Step 11: 1090 + 109 = 1199
Step 12: 1199 + 109 = 1308
Step 13: 1308 + 109 = 1417
Step 14: 1417 + 109 = 1526
Step 15: 1526 + 109 = 1635
Step 16: 1635 + 109 = 1744
Step 17: 1744 + 109 = 1853
Step 18: 1853 + 109 = 1962
Step 19: 1962 + 109 = 2071
Step 20: 2071 + 109 = 2180
Step 21: 2180 + 109 = 2289
Step 22: 2289 + 109 = 2398
Step 23: 2398 + 109 = 2507
Step 24: 2507 + 109 = 2616
Step 25: 2616 + 109 = 2725
Step 26: 2725 + 109 = 2834
Step 27: 2834 + 109 = 2943
Step 28: 2943 + 109 = 3052
Step 29: 3052 + 109 = 3161
Step 30: 3161 + 109 = 3270
Step 31: 3270 + 109 = 3379
Step 32: 3379 + 109 = 3488
Step 33: 3488 + 109 = 3597
Step 34: 3597 + 109 = 3706
Step 35: 3706 + 109 = 3815
Step 36: 3815 + 109 = 3924
Step 37: 3924 + 109 = 4033
Step 38: 4033 + 109 = 4142
Step 39: 4142 + 109 = 4251
Step 40: 4251 + 109 = 4360
Step 41: 4360 + 109 = 4469
Step 42: 4469 + 109 = 4578
Step 43: 4578 + 109 = 4687
Step 44: 4687 + 109 = 4796
Step 45: 4796 + 109 = 4905
Step 46: 4905 + 109 = 5014
Step 47: 5014 + 109 = 5123
Step 48: 5123 + 109 = 5232
Step 49: 5232 + 109 = 5341
Step 50: 5341 + 109 = 5450
Step 51: 5450 + 109 = 5559
Step 52: 5559 + 109 = 5668
Step 53: 5668 + 109 = 5777
Step 54: 5777 + 109 = 5886
Step 55: 5886 + 109 = 5995
Step 56: 5995 + 109 = 6104
Step 57: 6104 + 109 = 6213
Step 58: 6213 + 109 = 6322
Step 59: 6322 + 109 = 6431
Step 60: 6431 + 109 = 6540
Step 61: 6540 + 109 = 6649
Step 62: 6649 + 109 = 6758
Step 63: 6758 + 109 = 6867
Step 64: 6867 + 109 = 6976
Step 65: 6976 + 109 = 7085
Step 66: 7085 + 109 = 7194
Step 67: 7194 + 109 = 7303
Step 68: 7303 + 109 = 7412
Step 69: 7412 + 109 = 7521
Step 70: 7521 + 109 = 7630
Step 71: 7630 + 109 = 7739
Step 72: 7739 + 109 = 7848
Step 73: 7848 + 109 = 7957
Step 74: 7957 + 109 = 8066
Step 75: 8066 + 109 = 8175
Step 76: 8175 + 109 = 8284
Step 77: 8284 + 109 = 8393
Step 78: 8393 + 109 = 8502
Step 79: 8502 + 109 = 8611
Step 80: 8611 + 109 = 8720
Step 81: 8720 + 109 = 8829
Step 82: 8829 + 109 = 8938
Step 83: 8938 + 109 = 9047
Step 84: 9047 + 109 = 9156
Step 85: 9156 + 109 = 9265
Step 86: 9265 + 109 = 9374
Step 87: 9374 + 109 = 9483
Step 88: 9483 + 109 = 9592
Step 89: 9592 + 109 = 9701
Step 90: 9701 + 109 = 9810
Step 91: 9810 + 109 = 9919
Step 92: 9919 + 109 = 10028
Step 93: 10028 + 109 = 10137
Step 94: 10137 + 109 = 10246
Step 95: 10246 + 109 = 10355
Step 96: 10355 + 109 = 10464
Step 97: 10464 + 109 = 10573
Step 98: 10573 + 109 = 10682
Step 99: 10682 + 109 = 10791
Step 100: 10791 + 109 = 10900
Step 101: 10900 + 109 = 11009
Step 102: 11009 + 109 = 11118
Step 103: 11118 + 109 = 11227
Step 104: 11227 + 109 = 11336
Step 105: 11336 + 109 = 11445
Step 106: 11445 + 109 = 11554
Step 107: 11554 + 109 = 11663
Step 108: 11663 + 109 = 11772
Step 109: 11772 + 109 = 11881
Step 110: 11881 + 109 = 11990
Step 111: 11990 + 109 = 12099
Step 112: 12099 + 109 = 12208
Step 113: 12208 + 109 = 12317
Step 114: 12317 + 109 = 12426
Step 115: 12426 + 109 = 12535
Step 116: 12535 + 109 = 12644
Step 117: 12644 + 109 = 12753
Step 118: 12753 + 109 = 12862
Step 119: 12862 + 109 = 12971
Step 120: 12971 + 109 = 13080
Step 121: 13080 + 109 = 13189
Step 122: 13189 + 109 = 13298
Step 123: 13298 + 109 = 13407
Step 124: 13407 + 109 = 13516
Step 125: 13516 + 109 = 13625
Step 126: 13625 + 109 = 13734
Step 127: 13734 + 109 = 13843
Step 128: 13843 + 109 = 13952
Step 129: 13952 + 109 = 14061
Step 130: 14061 + 109 = 14170
Step 131: 14170 + 109 = 14279
Step 132: 14279 + 109 = 14388
Step 133: 14388 + 109 = 14497
Step 134: 14497 + 109 = 14606
Step 135: 14606 + 109 = 14715
Step 136: 14715 + 109 = 14824
Step 137: 14824 + 109 = 14933
Step 138: 14933 + 109 = 15042
Step 139: 15042 + 109 = 15151
Step 140: 15151 + 109 = 15260
Step 141: 15260 + 109 = 15369
Step 142: 15369 + 109 = 15478
Step 143: 15478 + 109 = 15587
Step 144: 15587 + 109 = 15696
Step 145: 15696 + 109 = 15805
Step 146: 15805 + 109 = 15914
Step 147: 15914 + 109 = 16023
Step 148: 16023 + 109 = 16132
Step 149: 16132 + 109 = 16241
Step 150: 16241 + 109 = 16350
Step 151: 16350 + 109 = 16459
Step 152: 16459 + 109 = 16568
Step 153: 16568 + 109 = 16677
Step 154: 16677 + 109 = 16786
Step 155: 16786 + 109 = 16895
Step 156: 16895 + 109 = 17004
Step 157: 17004 + 109 = 17113
Step 158: 17113 + 109 = 17222
Step 159: 17222 + 109 = 17331
Step 160: 17331 + 109 = 17440
Step 161: 17440 + 109 = 17549
Step 162: 17549 + 109 = 17658
Step 163: 17658 + 109 = 17767
Step 164: 17767 + 109 = 17876
Step 165: 17876 + 109 = 17985
Step 166: 17985 + 109 = 18094
Step 167: 18094 + 109 = 18203
Step 168: 18203 + 109 = 18312
Step 169: 18312 + 109 = 18421
Step 170: 18421 + 109 = 18530
Step 171: 18530 + 109 = 18639
Step 172: 18639 + 109 = 18748
Step 173: 18748 + 109 = 18857
Step 174: 18857 + 109 = 18966
Step 175: 18966 + 109 = 19075
Step 176: 19075 + 109 = 19184
Step 177: 19184 + 109 = 19293
Step 178: 19293 + 109 = 19402
Step 179: 19402 + 109 = 19511
Step 180: 19511 + 109 = 19620
Step 181: 19620 + 109 = 19729
Step 182: 19729 + 109 = 19838
Step 183: 19838 + 109 = 19947
Step 184: 19947 + 109 = 20056
Step 185: 20056 + 109 = 20165
Step 186: 20165 + 109 = 20274
Step 187: 20274 + 109 = 20383
Step 188: 20383 + 109 = 20492
Step 189: 20492 + 109 = 20601
Step 190: 20601 + 109 = 20710
Step 191: 20710 + 109 = 20819
Step 192: 20819 + 109 = 20928
Step 193: 20928 + 109 = 21037
Step 194: 21037 + 109 = 21146
Step 195: 21146 + 109 = 21255
Step 196: 21255 + 109 = 21364
Step 197: 21364 + 109 = 21473
Step 198: 21473 + 109 = 21582
Step 199: 21582 + 109 = 21691
Step 200: 21691 + 109 = 21800
Step 201: 21800 + 109 = 21909
Step 202: 21909 + 109 = 22018
Step 203: 22018 + 109 = 22127
Step 204: 22127 + 109 = 22236
Step 205: 22236 + 109 = 22345
Step 206: 22345 + 109 = 22454
Step 207: 22454 + 109 = 22563
Step 208: 22563 + 109 = 22672
Step 209: 22672 + 109 = 22781
Step 210: 22781 + 109 = 22890
Step 211: 22890 + 109 = 22999
Step 212: 22999 + 109 = 23108
Step 213: 23108 + 109 = 23217
Step 214: 23217 + 109 = 23326
Step 215: 23326 + 109 = 23435
Step 216: 23435 + 109 = 23544
Step 217: 23544 + 109 = 23653
Step 218: 23653 + 109 = 23762
Step 219: 23762 + 109 = 23871
Step 220: 23871 + 109 = 23980
Step 221: 23980 + 109 = 24089
Step 222: 24089 + 109 = 24198
Step 223: 24198 + 109 = 24307
Step 224: 24307 + 109 = 24416
Step 225: 24416 + 109 = 24525
Step 226: 24525 + 109 = 24634
Step 227: 24634 + 109 = 24743
Step 228: 24743 + 109 = 24852
Step 229: 24852 + 109 = 24961
Step 230: 24961 + 109 = 25070
Step 231: 25070 + 109 = 25179
Step 232: 25179 + 109 = 25288
Step 233: 25288 + 109 = 25397
Step 234: 25397 + 109 = 25506
Step 235: 25506 + 109 = 25615
Step 236: 25615 + 109 = 25724
Step 237: 25724 + 109 = 25833
Step 238: 25833 + 109 = 25942
Step 239: 25942 + 109 = 26051
Step 240: 26051 + 109 = 26160
Step 241: 26160 + 109 = 26269
Step 242: 26269 + 109 = 26378
Step 243: 26378 + 109 = 26487
Step 244: 26487 + 109 = 26596
Step 245: 26596 + 109 = 26705
Step 246: 26705 + 109 = 26814
Step 247: 26814 + 109 = 26923
Step 248: 26923 + 109 = 27032
Step 249: 27032 + 109 = 27141
Step 250: 27141 + 109 = 27250
Step 251: 27250 + 109 = 27359
Step 252: 27359 + 109 = 27468
Step 253: 27468 + 109 = 27577
Step 254: 27577 + 109 = 27686
Step 255: 27686 + 109 = 27795
Step 256: 27795 + 109 = 27904
Step 257: 27904 + 109 = 28013
Step 258: 28013 + 109 = 28122
Step 259: 28122 + 109 = 28231
Step 260: 28231 + 109 = 28340
Step 261: 28340 + 109 = 28449
Step 262: 28449 + 109 = 28558
Step 263: 28558 + 109 = 28667
Step 264: 28667 + 109 = 28776
Step 265: 28776 + 109 = 28885
Step 266: 28885 + 109 = 28994
Step 267: 28994 + 109 = 29103
Step 268: 29103 + 109 = 29212
Step 269: 29212 + 109 = 29321
Step 270: 29321 + 109 = 29430
Step 271: 29430 + 109 = 29539
Step 272: 29539 + 109 = 29648
Step 273: 29648 + 109 = 29757
Step 274: 29757 + 109 = 29866
Step 275: 29866 + 109 = 29975
Step 276: 29975 + 109 = 30084

So, 109*276 = 30084