Let's roll up our sleeves and solve this. We have 384 and we're going to multiply it by 337, essentially adding 384 to itself 337 times.
Step 1: 0 + 384 = 384
Step 2: 384 + 384 = 768
Step 3: 768 + 384 = 1152
Step 4: 1152 + 384 = 1536
Step 5: 1536 + 384 = 1920
Step 6: 1920 + 384 = 2304
Step 7: 2304 + 384 = 2688
Step 8: 2688 + 384 = 3072
Step 9: 3072 + 384 = 3456
Step 10: 3456 + 384 = 3840
Step 11: 3840 + 384 = 4224
Step 12: 4224 + 384 = 4608
Step 13: 4608 + 384 = 4992
Step 14: 4992 + 384 = 5376
Step 15: 5376 + 384 = 5760
Step 16: 5760 + 384 = 6144
Step 17: 6144 + 384 = 6528
Step 18: 6528 + 384 = 6912
Step 19: 6912 + 384 = 7296
Step 20: 7296 + 384 = 7680
Step 21: 7680 + 384 = 8064
Step 22: 8064 + 384 = 8448
Step 23: 8448 + 384 = 8832
Step 24: 8832 + 384 = 9216
Step 25: 9216 + 384 = 9600
Step 26: 9600 + 384 = 9984
Step 27: 9984 + 384 = 10368
Step 28: 10368 + 384 = 10752
Step 29: 10752 + 384 = 11136
Step 30: 11136 + 384 = 11520
Step 31: 11520 + 384 = 11904
Step 32: 11904 + 384 = 12288
Step 33: 12288 + 384 = 12672
Step 34: 12672 + 384 = 13056
Step 35: 13056 + 384 = 13440
Step 36: 13440 + 384 = 13824
Step 37: 13824 + 384 = 14208
Step 38: 14208 + 384 = 14592
Step 39: 14592 + 384 = 14976
Step 40: 14976 + 384 = 15360
Step 41: 15360 + 384 = 15744
Step 42: 15744 + 384 = 16128
Step 43: 16128 + 384 = 16512
Step 44: 16512 + 384 = 16896
Step 45: 16896 + 384 = 17280
Step 46: 17280 + 384 = 17664
Step 47: 17664 + 384 = 18048
Step 48: 18048 + 384 = 18432
Step 49: 18432 + 384 = 18816
Step 50: 18816 + 384 = 19200
Step 51: 19200 + 384 = 19584
Step 52: 19584 + 384 = 19968
Step 53: 19968 + 384 = 20352
Step 54: 20352 + 384 = 20736
Step 55: 20736 + 384 = 21120
Step 56: 21120 + 384 = 21504
Step 57: 21504 + 384 = 21888
Step 58: 21888 + 384 = 22272
Step 59: 22272 + 384 = 22656
Step 60: 22656 + 384 = 23040
Step 61: 23040 + 384 = 23424
Step 62: 23424 + 384 = 23808
Step 63: 23808 + 384 = 24192
Step 64: 24192 + 384 = 24576
Step 65: 24576 + 384 = 24960
Step 66: 24960 + 384 = 25344
Step 67: 25344 + 384 = 25728
Step 68: 25728 + 384 = 26112
Step 69: 26112 + 384 = 26496
Step 70: 26496 + 384 = 26880
Step 71: 26880 + 384 = 27264
Step 72: 27264 + 384 = 27648
Step 73: 27648 + 384 = 28032
Step 74: 28032 + 384 = 28416
Step 75: 28416 + 384 = 28800
Step 76: 28800 + 384 = 29184
Step 77: 29184 + 384 = 29568
Step 78: 29568 + 384 = 29952
Step 79: 29952 + 384 = 30336
Step 80: 30336 + 384 = 30720
Step 81: 30720 + 384 = 31104
Step 82: 31104 + 384 = 31488
Step 83: 31488 + 384 = 31872
Step 84: 31872 + 384 = 32256
Step 85: 32256 + 384 = 32640
Step 86: 32640 + 384 = 33024
Step 87: 33024 + 384 = 33408
Step 88: 33408 + 384 = 33792
Step 89: 33792 + 384 = 34176
Step 90: 34176 + 384 = 34560
Step 91: 34560 + 384 = 34944
Step 92: 34944 + 384 = 35328
Step 93: 35328 + 384 = 35712
Step 94: 35712 + 384 = 36096
Step 95: 36096 + 384 = 36480
Step 96: 36480 + 384 = 36864
Step 97: 36864 + 384 = 37248
Step 98: 37248 + 384 = 37632
Step 99: 37632 + 384 = 38016
Step 100: 38016 + 384 = 38400
Step 101: 38400 + 384 = 38784
Step 102: 38784 + 384 = 39168
Step 103: 39168 + 384 = 39552
Step 104: 39552 + 384 = 39936
Step 105: 39936 + 384 = 40320
Step 106: 40320 + 384 = 40704
Step 107: 40704 + 384 = 41088
Step 108: 41088 + 384 = 41472
Step 109: 41472 + 384 = 41856
Step 110: 41856 + 384 = 42240
Step 111: 42240 + 384 = 42624
Step 112: 42624 + 384 = 43008
Step 113: 43008 + 384 = 43392
Step 114: 43392 + 384 = 43776
Step 115: 43776 + 384 = 44160
Step 116: 44160 + 384 = 44544
Step 117: 44544 + 384 = 44928
Step 118: 44928 + 384 = 45312
Step 119: 45312 + 384 = 45696
Step 120: 45696 + 384 = 46080
Step 121: 46080 + 384 = 46464
Step 122: 46464 + 384 = 46848
Step 123: 46848 + 384 = 47232
Step 124: 47232 + 384 = 47616
Step 125: 47616 + 384 = 48000
Step 126: 48000 + 384 = 48384
Step 127: 48384 + 384 = 48768
Step 128: 48768 + 384 = 49152
Step 129: 49152 + 384 = 49536
Step 130: 49536 + 384 = 49920
Step 131: 49920 + 384 = 50304
Step 132: 50304 + 384 = 50688
Step 133: 50688 + 384 = 51072
Step 134: 51072 + 384 = 51456
Step 135: 51456 + 384 = 51840
Step 136: 51840 + 384 = 52224
Step 137: 52224 + 384 = 52608
Step 138: 52608 + 384 = 52992
Step 139: 52992 + 384 = 53376
Step 140: 53376 + 384 = 53760
Step 141: 53760 + 384 = 54144
Step 142: 54144 + 384 = 54528
Step 143: 54528 + 384 = 54912
Step 144: 54912 + 384 = 55296
Step 145: 55296 + 384 = 55680
Step 146: 55680 + 384 = 56064
Step 147: 56064 + 384 = 56448
Step 148: 56448 + 384 = 56832
Step 149: 56832 + 384 = 57216
Step 150: 57216 + 384 = 57600
Step 151: 57600 + 384 = 57984
Step 152: 57984 + 384 = 58368
Step 153: 58368 + 384 = 58752
Step 154: 58752 + 384 = 59136
Step 155: 59136 + 384 = 59520
Step 156: 59520 + 384 = 59904
Step 157: 59904 + 384 = 60288
Step 158: 60288 + 384 = 60672
Step 159: 60672 + 384 = 61056
Step 160: 61056 + 384 = 61440
Step 161: 61440 + 384 = 61824
Step 162: 61824 + 384 = 62208
Step 163: 62208 + 384 = 62592
Step 164: 62592 + 384 = 62976
Step 165: 62976 + 384 = 63360
Step 166: 63360 + 384 = 63744
Step 167: 63744 + 384 = 64128
Step 168: 64128 + 384 = 64512
Step 169: 64512 + 384 = 64896
Step 170: 64896 + 384 = 65280
Step 171: 65280 + 384 = 65664
Step 172: 65664 + 384 = 66048
Step 173: 66048 + 384 = 66432
Step 174: 66432 + 384 = 66816
Step 175: 66816 + 384 = 67200
Step 176: 67200 + 384 = 67584
Step 177: 67584 + 384 = 67968
Step 178: 67968 + 384 = 68352
Step 179: 68352 + 384 = 68736
Step 180: 68736 + 384 = 69120
Step 181: 69120 + 384 = 69504
Step 182: 69504 + 384 = 69888
Step 183: 69888 + 384 = 70272
Step 184: 70272 + 384 = 70656
Step 185: 70656 + 384 = 71040
Step 186: 71040 + 384 = 71424
Step 187: 71424 + 384 = 71808
Step 188: 71808 + 384 = 72192
Step 189: 72192 + 384 = 72576
Step 190: 72576 + 384 = 72960
Step 191: 72960 + 384 = 73344
Step 192: 73344 + 384 = 73728
Step 193: 73728 + 384 = 74112
Step 194: 74112 + 384 = 74496
Step 195: 74496 + 384 = 74880
Step 196: 74880 + 384 = 75264
Step 197: 75264 + 384 = 75648
Step 198: 75648 + 384 = 76032
Step 199: 76032 + 384 = 76416
Step 200: 76416 + 384 = 76800
Step 201: 76800 + 384 = 77184
Step 202: 77184 + 384 = 77568
Step 203: 77568 + 384 = 77952
Step 204: 77952 + 384 = 78336
Step 205: 78336 + 384 = 78720
Step 206: 78720 + 384 = 79104
Step 207: 79104 + 384 = 79488
Step 208: 79488 + 384 = 79872
Step 209: 79872 + 384 = 80256
Step 210: 80256 + 384 = 80640
Step 211: 80640 + 384 = 81024
Step 212: 81024 + 384 = 81408
Step 213: 81408 + 384 = 81792
Step 214: 81792 + 384 = 82176
Step 215: 82176 + 384 = 82560
Step 216: 82560 + 384 = 82944
Step 217: 82944 + 384 = 83328
Step 218: 83328 + 384 = 83712
Step 219: 83712 + 384 = 84096
Step 220: 84096 + 384 = 84480
Step 221: 84480 + 384 = 84864
Step 222: 84864 + 384 = 85248
Step 223: 85248 + 384 = 85632
Step 224: 85632 + 384 = 86016
Step 225: 86016 + 384 = 86400
Step 226: 86400 + 384 = 86784
Step 227: 86784 + 384 = 87168
Step 228: 87168 + 384 = 87552
Step 229: 87552 + 384 = 87936
Step 230: 87936 + 384 = 88320
Step 231: 88320 + 384 = 88704
Step 232: 88704 + 384 = 89088
Step 233: 89088 + 384 = 89472
Step 234: 89472 + 384 = 89856
Step 235: 89856 + 384 = 90240
Step 236: 90240 + 384 = 90624
Step 237: 90624 + 384 = 91008
Step 238: 91008 + 384 = 91392
Step 239: 91392 + 384 = 91776
Step 240: 91776 + 384 = 92160
Step 241: 92160 + 384 = 92544
Step 242: 92544 + 384 = 92928
Step 243: 92928 + 384 = 93312
Step 244: 93312 + 384 = 93696
Step 245: 93696 + 384 = 94080
Step 246: 94080 + 384 = 94464
Step 247: 94464 + 384 = 94848
Step 248: 94848 + 384 = 95232
Step 249: 95232 + 384 = 95616
Step 250: 95616 + 384 = 96000
Step 251: 96000 + 384 = 96384
Step 252: 96384 + 384 = 96768
Step 253: 96768 + 384 = 97152
Step 254: 97152 + 384 = 97536
Step 255: 97536 + 384 = 97920
Step 256: 97920 + 384 = 98304
Step 257: 98304 + 384 = 98688
Step 258: 98688 + 384 = 99072
Step 259: 99072 + 384 = 99456
Step 260: 99456 + 384 = 99840
Step 261: 99840 + 384 = 100224
Step 262: 100224 + 384 = 100608
Step 263: 100608 + 384 = 100992
Step 264: 100992 + 384 = 101376
Step 265: 101376 + 384 = 101760
Step 266: 101760 + 384 = 102144
Step 267: 102144 + 384 = 102528
Step 268: 102528 + 384 = 102912
Step 269: 102912 + 384 = 103296
Step 270: 103296 + 384 = 103680
Step 271: 103680 + 384 = 104064
Step 272: 104064 + 384 = 104448
Step 273: 104448 + 384 = 104832
Step 274: 104832 + 384 = 105216
Step 275: 105216 + 384 = 105600
Step 276: 105600 + 384 = 105984
Step 277: 105984 + 384 = 106368
Step 278: 106368 + 384 = 106752
Step 279: 106752 + 384 = 107136
Step 280: 107136 + 384 = 107520
Step 281: 107520 + 384 = 107904
Step 282: 107904 + 384 = 108288
Step 283: 108288 + 384 = 108672
Step 284: 108672 + 384 = 109056
Step 285: 109056 + 384 = 109440
Step 286: 109440 + 384 = 109824
Step 287: 109824 + 384 = 110208
Step 288: 110208 + 384 = 110592
Step 289: 110592 + 384 = 110976
Step 290: 110976 + 384 = 111360
Step 291: 111360 + 384 = 111744
Step 292: 111744 + 384 = 112128
Step 293: 112128 + 384 = 112512
Step 294: 112512 + 384 = 112896
Step 295: 112896 + 384 = 113280
Step 296: 113280 + 384 = 113664
Step 297: 113664 + 384 = 114048
Step 298: 114048 + 384 = 114432
Step 299: 114432 + 384 = 114816
Step 300: 114816 + 384 = 115200
Step 301: 115200 + 384 = 115584
Step 302: 115584 + 384 = 115968
Step 303: 115968 + 384 = 116352
Step 304: 116352 + 384 = 116736
Step 305: 116736 + 384 = 117120
Step 306: 117120 + 384 = 117504
Step 307: 117504 + 384 = 117888
Step 308: 117888 + 384 = 118272
Step 309: 118272 + 384 = 118656
Step 310: 118656 + 384 = 119040
Step 311: 119040 + 384 = 119424
Step 312: 119424 + 384 = 119808
Step 313: 119808 + 384 = 120192
Step 314: 120192 + 384 = 120576
Step 315: 120576 + 384 = 120960
Step 316: 120960 + 384 = 121344
Step 317: 121344 + 384 = 121728
Step 318: 121728 + 384 = 122112
Step 319: 122112 + 384 = 122496
Step 320: 122496 + 384 = 122880
Step 321: 122880 + 384 = 123264
Step 322: 123264 + 384 = 123648
Step 323: 123648 + 384 = 124032
Step 324: 124032 + 384 = 124416
Step 325: 124416 + 384 = 124800
Step 326: 124800 + 384 = 125184
Step 327: 125184 + 384 = 125568
Step 328: 125568 + 384 = 125952
Step 329: 125952 + 384 = 126336
Step 330: 126336 + 384 = 126720
Step 331: 126720 + 384 = 127104
Step 332: 127104 + 384 = 127488
Step 333: 127488 + 384 = 127872
Step 334: 127872 + 384 = 128256
Step 335: 128256 + 384 = 128640
Step 336: 128640 + 384 = 129024
Step 337: 129024 + 384 = 129408

So, 384*337 = 129408