Let's get this math done. We have 376 and we're going to multiply it by 345. This is the same as taking 376 and adding it to itself 345 times.
Step 1: 0 + 376 = 376
Step 2: 376 + 376 = 752
Step 3: 752 + 376 = 1128
Step 4: 1128 + 376 = 1504
Step 5: 1504 + 376 = 1880
Step 6: 1880 + 376 = 2256
Step 7: 2256 + 376 = 2632
Step 8: 2632 + 376 = 3008
Step 9: 3008 + 376 = 3384
Step 10: 3384 + 376 = 3760
Step 11: 3760 + 376 = 4136
Step 12: 4136 + 376 = 4512
Step 13: 4512 + 376 = 4888
Step 14: 4888 + 376 = 5264
Step 15: 5264 + 376 = 5640
Step 16: 5640 + 376 = 6016
Step 17: 6016 + 376 = 6392
Step 18: 6392 + 376 = 6768
Step 19: 6768 + 376 = 7144
Step 20: 7144 + 376 = 7520
Step 21: 7520 + 376 = 7896
Step 22: 7896 + 376 = 8272
Step 23: 8272 + 376 = 8648
Step 24: 8648 + 376 = 9024
Step 25: 9024 + 376 = 9400
Step 26: 9400 + 376 = 9776
Step 27: 9776 + 376 = 10152
Step 28: 10152 + 376 = 10528
Step 29: 10528 + 376 = 10904
Step 30: 10904 + 376 = 11280
Step 31: 11280 + 376 = 11656
Step 32: 11656 + 376 = 12032
Step 33: 12032 + 376 = 12408
Step 34: 12408 + 376 = 12784
Step 35: 12784 + 376 = 13160
Step 36: 13160 + 376 = 13536
Step 37: 13536 + 376 = 13912
Step 38: 13912 + 376 = 14288
Step 39: 14288 + 376 = 14664
Step 40: 14664 + 376 = 15040
Step 41: 15040 + 376 = 15416
Step 42: 15416 + 376 = 15792
Step 43: 15792 + 376 = 16168
Step 44: 16168 + 376 = 16544
Step 45: 16544 + 376 = 16920
Step 46: 16920 + 376 = 17296
Step 47: 17296 + 376 = 17672
Step 48: 17672 + 376 = 18048
Step 49: 18048 + 376 = 18424
Step 50: 18424 + 376 = 18800
Step 51: 18800 + 376 = 19176
Step 52: 19176 + 376 = 19552
Step 53: 19552 + 376 = 19928
Step 54: 19928 + 376 = 20304
Step 55: 20304 + 376 = 20680
Step 56: 20680 + 376 = 21056
Step 57: 21056 + 376 = 21432
Step 58: 21432 + 376 = 21808
Step 59: 21808 + 376 = 22184
Step 60: 22184 + 376 = 22560
Step 61: 22560 + 376 = 22936
Step 62: 22936 + 376 = 23312
Step 63: 23312 + 376 = 23688
Step 64: 23688 + 376 = 24064
Step 65: 24064 + 376 = 24440
Step 66: 24440 + 376 = 24816
Step 67: 24816 + 376 = 25192
Step 68: 25192 + 376 = 25568
Step 69: 25568 + 376 = 25944
Step 70: 25944 + 376 = 26320
Step 71: 26320 + 376 = 26696
Step 72: 26696 + 376 = 27072
Step 73: 27072 + 376 = 27448
Step 74: 27448 + 376 = 27824
Step 75: 27824 + 376 = 28200
Step 76: 28200 + 376 = 28576
Step 77: 28576 + 376 = 28952
Step 78: 28952 + 376 = 29328
Step 79: 29328 + 376 = 29704
Step 80: 29704 + 376 = 30080
Step 81: 30080 + 376 = 30456
Step 82: 30456 + 376 = 30832
Step 83: 30832 + 376 = 31208
Step 84: 31208 + 376 = 31584
Step 85: 31584 + 376 = 31960
Step 86: 31960 + 376 = 32336
Step 87: 32336 + 376 = 32712
Step 88: 32712 + 376 = 33088
Step 89: 33088 + 376 = 33464
Step 90: 33464 + 376 = 33840
Step 91: 33840 + 376 = 34216
Step 92: 34216 + 376 = 34592
Step 93: 34592 + 376 = 34968
Step 94: 34968 + 376 = 35344
Step 95: 35344 + 376 = 35720
Step 96: 35720 + 376 = 36096
Step 97: 36096 + 376 = 36472
Step 98: 36472 + 376 = 36848
Step 99: 36848 + 376 = 37224
Step 100: 37224 + 376 = 37600
Step 101: 37600 + 376 = 37976
Step 102: 37976 + 376 = 38352
Step 103: 38352 + 376 = 38728
Step 104: 38728 + 376 = 39104
Step 105: 39104 + 376 = 39480
Step 106: 39480 + 376 = 39856
Step 107: 39856 + 376 = 40232
Step 108: 40232 + 376 = 40608
Step 109: 40608 + 376 = 40984
Step 110: 40984 + 376 = 41360
Step 111: 41360 + 376 = 41736
Step 112: 41736 + 376 = 42112
Step 113: 42112 + 376 = 42488
Step 114: 42488 + 376 = 42864
Step 115: 42864 + 376 = 43240
Step 116: 43240 + 376 = 43616
Step 117: 43616 + 376 = 43992
Step 118: 43992 + 376 = 44368
Step 119: 44368 + 376 = 44744
Step 120: 44744 + 376 = 45120
Step 121: 45120 + 376 = 45496
Step 122: 45496 + 376 = 45872
Step 123: 45872 + 376 = 46248
Step 124: 46248 + 376 = 46624
Step 125: 46624 + 376 = 47000
Step 126: 47000 + 376 = 47376
Step 127: 47376 + 376 = 47752
Step 128: 47752 + 376 = 48128
Step 129: 48128 + 376 = 48504
Step 130: 48504 + 376 = 48880
Step 131: 48880 + 376 = 49256
Step 132: 49256 + 376 = 49632
Step 133: 49632 + 376 = 50008
Step 134: 50008 + 376 = 50384
Step 135: 50384 + 376 = 50760
Step 136: 50760 + 376 = 51136
Step 137: 51136 + 376 = 51512
Step 138: 51512 + 376 = 51888
Step 139: 51888 + 376 = 52264
Step 140: 52264 + 376 = 52640
Step 141: 52640 + 376 = 53016
Step 142: 53016 + 376 = 53392
Step 143: 53392 + 376 = 53768
Step 144: 53768 + 376 = 54144
Step 145: 54144 + 376 = 54520
Step 146: 54520 + 376 = 54896
Step 147: 54896 + 376 = 55272
Step 148: 55272 + 376 = 55648
Step 149: 55648 + 376 = 56024
Step 150: 56024 + 376 = 56400
Step 151: 56400 + 376 = 56776
Step 152: 56776 + 376 = 57152
Step 153: 57152 + 376 = 57528
Step 154: 57528 + 376 = 57904
Step 155: 57904 + 376 = 58280
Step 156: 58280 + 376 = 58656
Step 157: 58656 + 376 = 59032
Step 158: 59032 + 376 = 59408
Step 159: 59408 + 376 = 59784
Step 160: 59784 + 376 = 60160
Step 161: 60160 + 376 = 60536
Step 162: 60536 + 376 = 60912
Step 163: 60912 + 376 = 61288
Step 164: 61288 + 376 = 61664
Step 165: 61664 + 376 = 62040
Step 166: 62040 + 376 = 62416
Step 167: 62416 + 376 = 62792
Step 168: 62792 + 376 = 63168
Step 169: 63168 + 376 = 63544
Step 170: 63544 + 376 = 63920
Step 171: 63920 + 376 = 64296
Step 172: 64296 + 376 = 64672
Step 173: 64672 + 376 = 65048
Step 174: 65048 + 376 = 65424
Step 175: 65424 + 376 = 65800
Step 176: 65800 + 376 = 66176
Step 177: 66176 + 376 = 66552
Step 178: 66552 + 376 = 66928
Step 179: 66928 + 376 = 67304
Step 180: 67304 + 376 = 67680
Step 181: 67680 + 376 = 68056
Step 182: 68056 + 376 = 68432
Step 183: 68432 + 376 = 68808
Step 184: 68808 + 376 = 69184
Step 185: 69184 + 376 = 69560
Step 186: 69560 + 376 = 69936
Step 187: 69936 + 376 = 70312
Step 188: 70312 + 376 = 70688
Step 189: 70688 + 376 = 71064
Step 190: 71064 + 376 = 71440
Step 191: 71440 + 376 = 71816
Step 192: 71816 + 376 = 72192
Step 193: 72192 + 376 = 72568
Step 194: 72568 + 376 = 72944
Step 195: 72944 + 376 = 73320
Step 196: 73320 + 376 = 73696
Step 197: 73696 + 376 = 74072
Step 198: 74072 + 376 = 74448
Step 199: 74448 + 376 = 74824
Step 200: 74824 + 376 = 75200
Step 201: 75200 + 376 = 75576
Step 202: 75576 + 376 = 75952
Step 203: 75952 + 376 = 76328
Step 204: 76328 + 376 = 76704
Step 205: 76704 + 376 = 77080
Step 206: 77080 + 376 = 77456
Step 207: 77456 + 376 = 77832
Step 208: 77832 + 376 = 78208
Step 209: 78208 + 376 = 78584
Step 210: 78584 + 376 = 78960
Step 211: 78960 + 376 = 79336
Step 212: 79336 + 376 = 79712
Step 213: 79712 + 376 = 80088
Step 214: 80088 + 376 = 80464
Step 215: 80464 + 376 = 80840
Step 216: 80840 + 376 = 81216
Step 217: 81216 + 376 = 81592
Step 218: 81592 + 376 = 81968
Step 219: 81968 + 376 = 82344
Step 220: 82344 + 376 = 82720
Step 221: 82720 + 376 = 83096
Step 222: 83096 + 376 = 83472
Step 223: 83472 + 376 = 83848
Step 224: 83848 + 376 = 84224
Step 225: 84224 + 376 = 84600
Step 226: 84600 + 376 = 84976
Step 227: 84976 + 376 = 85352
Step 228: 85352 + 376 = 85728
Step 229: 85728 + 376 = 86104
Step 230: 86104 + 376 = 86480
Step 231: 86480 + 376 = 86856
Step 232: 86856 + 376 = 87232
Step 233: 87232 + 376 = 87608
Step 234: 87608 + 376 = 87984
Step 235: 87984 + 376 = 88360
Step 236: 88360 + 376 = 88736
Step 237: 88736 + 376 = 89112
Step 238: 89112 + 376 = 89488
Step 239: 89488 + 376 = 89864
Step 240: 89864 + 376 = 90240
Step 241: 90240 + 376 = 90616
Step 242: 90616 + 376 = 90992
Step 243: 90992 + 376 = 91368
Step 244: 91368 + 376 = 91744
Step 245: 91744 + 376 = 92120
Step 246: 92120 + 376 = 92496
Step 247: 92496 + 376 = 92872
Step 248: 92872 + 376 = 93248
Step 249: 93248 + 376 = 93624
Step 250: 93624 + 376 = 94000
Step 251: 94000 + 376 = 94376
Step 252: 94376 + 376 = 94752
Step 253: 94752 + 376 = 95128
Step 254: 95128 + 376 = 95504
Step 255: 95504 + 376 = 95880
Step 256: 95880 + 376 = 96256
Step 257: 96256 + 376 = 96632
Step 258: 96632 + 376 = 97008
Step 259: 97008 + 376 = 97384
Step 260: 97384 + 376 = 97760
Step 261: 97760 + 376 = 98136
Step 262: 98136 + 376 = 98512
Step 263: 98512 + 376 = 98888
Step 264: 98888 + 376 = 99264
Step 265: 99264 + 376 = 99640
Step 266: 99640 + 376 = 100016
Step 267: 100016 + 376 = 100392
Step 268: 100392 + 376 = 100768
Step 269: 100768 + 376 = 101144
Step 270: 101144 + 376 = 101520
Step 271: 101520 + 376 = 101896
Step 272: 101896 + 376 = 102272
Step 273: 102272 + 376 = 102648
Step 274: 102648 + 376 = 103024
Step 275: 103024 + 376 = 103400
Step 276: 103400 + 376 = 103776
Step 277: 103776 + 376 = 104152
Step 278: 104152 + 376 = 104528
Step 279: 104528 + 376 = 104904
Step 280: 104904 + 376 = 105280
Step 281: 105280 + 376 = 105656
Step 282: 105656 + 376 = 106032
Step 283: 106032 + 376 = 106408
Step 284: 106408 + 376 = 106784
Step 285: 106784 + 376 = 107160
Step 286: 107160 + 376 = 107536
Step 287: 107536 + 376 = 107912
Step 288: 107912 + 376 = 108288
Step 289: 108288 + 376 = 108664
Step 290: 108664 + 376 = 109040
Step 291: 109040 + 376 = 109416
Step 292: 109416 + 376 = 109792
Step 293: 109792 + 376 = 110168
Step 294: 110168 + 376 = 110544
Step 295: 110544 + 376 = 110920
Step 296: 110920 + 376 = 111296
Step 297: 111296 + 376 = 111672
Step 298: 111672 + 376 = 112048
Step 299: 112048 + 376 = 112424
Step 300: 112424 + 376 = 112800
Step 301: 112800 + 376 = 113176
Step 302: 113176 + 376 = 113552
Step 303: 113552 + 376 = 113928
Step 304: 113928 + 376 = 114304
Step 305: 114304 + 376 = 114680
Step 306: 114680 + 376 = 115056
Step 307: 115056 + 376 = 115432
Step 308: 115432 + 376 = 115808
Step 309: 115808 + 376 = 116184
Step 310: 116184 + 376 = 116560
Step 311: 116560 + 376 = 116936
Step 312: 116936 + 376 = 117312
Step 313: 117312 + 376 = 117688
Step 314: 117688 + 376 = 118064
Step 315: 118064 + 376 = 118440
Step 316: 118440 + 376 = 118816
Step 317: 118816 + 376 = 119192
Step 318: 119192 + 376 = 119568
Step 319: 119568 + 376 = 119944
Step 320: 119944 + 376 = 120320
Step 321: 120320 + 376 = 120696
Step 322: 120696 + 376 = 121072
Step 323: 121072 + 376 = 121448
Step 324: 121448 + 376 = 121824
Step 325: 121824 + 376 = 122200
Step 326: 122200 + 376 = 122576
Step 327: 122576 + 376 = 122952
Step 328: 122952 + 376 = 123328
Step 329: 123328 + 376 = 123704
Step 330: 123704 + 376 = 124080
Step 331: 124080 + 376 = 124456
Step 332: 124456 + 376 = 124832
Step 333: 124832 + 376 = 125208
Step 334: 125208 + 376 = 125584
Step 335: 125584 + 376 = 125960
Step 336: 125960 + 376 = 126336
Step 337: 126336 + 376 = 126712
Step 338: 126712 + 376 = 127088
Step 339: 127088 + 376 = 127464
Step 340: 127464 + 376 = 127840
Step 341: 127840 + 376 = 128216
Step 342: 128216 + 376 = 128592
Step 343: 128592 + 376 = 128968
Step 344: 128968 + 376 = 129344
Step 345: 129344 + 376 = 129720

So, 376*345 = 129720