Without delay, let's solve this. We've got 304 and we will be multiplying it by 439, that is, adding 304 to itself 439 times.
Step 1: 0 + 304 = 304
Step 2: 304 + 304 = 608
Step 3: 608 + 304 = 912
Step 4: 912 + 304 = 1216
Step 5: 1216 + 304 = 1520
Step 6: 1520 + 304 = 1824
Step 7: 1824 + 304 = 2128
Step 8: 2128 + 304 = 2432
Step 9: 2432 + 304 = 2736
Step 10: 2736 + 304 = 3040
Step 11: 3040 + 304 = 3344
Step 12: 3344 + 304 = 3648
Step 13: 3648 + 304 = 3952
Step 14: 3952 + 304 = 4256
Step 15: 4256 + 304 = 4560
Step 16: 4560 + 304 = 4864
Step 17: 4864 + 304 = 5168
Step 18: 5168 + 304 = 5472
Step 19: 5472 + 304 = 5776
Step 20: 5776 + 304 = 6080
Step 21: 6080 + 304 = 6384
Step 22: 6384 + 304 = 6688
Step 23: 6688 + 304 = 6992
Step 24: 6992 + 304 = 7296
Step 25: 7296 + 304 = 7600
Step 26: 7600 + 304 = 7904
Step 27: 7904 + 304 = 8208
Step 28: 8208 + 304 = 8512
Step 29: 8512 + 304 = 8816
Step 30: 8816 + 304 = 9120
Step 31: 9120 + 304 = 9424
Step 32: 9424 + 304 = 9728
Step 33: 9728 + 304 = 10032
Step 34: 10032 + 304 = 10336
Step 35: 10336 + 304 = 10640
Step 36: 10640 + 304 = 10944
Step 37: 10944 + 304 = 11248
Step 38: 11248 + 304 = 11552
Step 39: 11552 + 304 = 11856
Step 40: 11856 + 304 = 12160
Step 41: 12160 + 304 = 12464
Step 42: 12464 + 304 = 12768
Step 43: 12768 + 304 = 13072
Step 44: 13072 + 304 = 13376
Step 45: 13376 + 304 = 13680
Step 46: 13680 + 304 = 13984
Step 47: 13984 + 304 = 14288
Step 48: 14288 + 304 = 14592
Step 49: 14592 + 304 = 14896
Step 50: 14896 + 304 = 15200
Step 51: 15200 + 304 = 15504
Step 52: 15504 + 304 = 15808
Step 53: 15808 + 304 = 16112
Step 54: 16112 + 304 = 16416
Step 55: 16416 + 304 = 16720
Step 56: 16720 + 304 = 17024
Step 57: 17024 + 304 = 17328
Step 58: 17328 + 304 = 17632
Step 59: 17632 + 304 = 17936
Step 60: 17936 + 304 = 18240
Step 61: 18240 + 304 = 18544
Step 62: 18544 + 304 = 18848
Step 63: 18848 + 304 = 19152
Step 64: 19152 + 304 = 19456
Step 65: 19456 + 304 = 19760
Step 66: 19760 + 304 = 20064
Step 67: 20064 + 304 = 20368
Step 68: 20368 + 304 = 20672
Step 69: 20672 + 304 = 20976
Step 70: 20976 + 304 = 21280
Step 71: 21280 + 304 = 21584
Step 72: 21584 + 304 = 21888
Step 73: 21888 + 304 = 22192
Step 74: 22192 + 304 = 22496
Step 75: 22496 + 304 = 22800
Step 76: 22800 + 304 = 23104
Step 77: 23104 + 304 = 23408
Step 78: 23408 + 304 = 23712
Step 79: 23712 + 304 = 24016
Step 80: 24016 + 304 = 24320
Step 81: 24320 + 304 = 24624
Step 82: 24624 + 304 = 24928
Step 83: 24928 + 304 = 25232
Step 84: 25232 + 304 = 25536
Step 85: 25536 + 304 = 25840
Step 86: 25840 + 304 = 26144
Step 87: 26144 + 304 = 26448
Step 88: 26448 + 304 = 26752
Step 89: 26752 + 304 = 27056
Step 90: 27056 + 304 = 27360
Step 91: 27360 + 304 = 27664
Step 92: 27664 + 304 = 27968
Step 93: 27968 + 304 = 28272
Step 94: 28272 + 304 = 28576
Step 95: 28576 + 304 = 28880
Step 96: 28880 + 304 = 29184
Step 97: 29184 + 304 = 29488
Step 98: 29488 + 304 = 29792
Step 99: 29792 + 304 = 30096
Step 100: 30096 + 304 = 30400
Step 101: 30400 + 304 = 30704
Step 102: 30704 + 304 = 31008
Step 103: 31008 + 304 = 31312
Step 104: 31312 + 304 = 31616
Step 105: 31616 + 304 = 31920
Step 106: 31920 + 304 = 32224
Step 107: 32224 + 304 = 32528
Step 108: 32528 + 304 = 32832
Step 109: 32832 + 304 = 33136
Step 110: 33136 + 304 = 33440
Step 111: 33440 + 304 = 33744
Step 112: 33744 + 304 = 34048
Step 113: 34048 + 304 = 34352
Step 114: 34352 + 304 = 34656
Step 115: 34656 + 304 = 34960
Step 116: 34960 + 304 = 35264
Step 117: 35264 + 304 = 35568
Step 118: 35568 + 304 = 35872
Step 119: 35872 + 304 = 36176
Step 120: 36176 + 304 = 36480
Step 121: 36480 + 304 = 36784
Step 122: 36784 + 304 = 37088
Step 123: 37088 + 304 = 37392
Step 124: 37392 + 304 = 37696
Step 125: 37696 + 304 = 38000
Step 126: 38000 + 304 = 38304
Step 127: 38304 + 304 = 38608
Step 128: 38608 + 304 = 38912
Step 129: 38912 + 304 = 39216
Step 130: 39216 + 304 = 39520
Step 131: 39520 + 304 = 39824
Step 132: 39824 + 304 = 40128
Step 133: 40128 + 304 = 40432
Step 134: 40432 + 304 = 40736
Step 135: 40736 + 304 = 41040
Step 136: 41040 + 304 = 41344
Step 137: 41344 + 304 = 41648
Step 138: 41648 + 304 = 41952
Step 139: 41952 + 304 = 42256
Step 140: 42256 + 304 = 42560
Step 141: 42560 + 304 = 42864
Step 142: 42864 + 304 = 43168
Step 143: 43168 + 304 = 43472
Step 144: 43472 + 304 = 43776
Step 145: 43776 + 304 = 44080
Step 146: 44080 + 304 = 44384
Step 147: 44384 + 304 = 44688
Step 148: 44688 + 304 = 44992
Step 149: 44992 + 304 = 45296
Step 150: 45296 + 304 = 45600
Step 151: 45600 + 304 = 45904
Step 152: 45904 + 304 = 46208
Step 153: 46208 + 304 = 46512
Step 154: 46512 + 304 = 46816
Step 155: 46816 + 304 = 47120
Step 156: 47120 + 304 = 47424
Step 157: 47424 + 304 = 47728
Step 158: 47728 + 304 = 48032
Step 159: 48032 + 304 = 48336
Step 160: 48336 + 304 = 48640
Step 161: 48640 + 304 = 48944
Step 162: 48944 + 304 = 49248
Step 163: 49248 + 304 = 49552
Step 164: 49552 + 304 = 49856
Step 165: 49856 + 304 = 50160
Step 166: 50160 + 304 = 50464
Step 167: 50464 + 304 = 50768
Step 168: 50768 + 304 = 51072
Step 169: 51072 + 304 = 51376
Step 170: 51376 + 304 = 51680
Step 171: 51680 + 304 = 51984
Step 172: 51984 + 304 = 52288
Step 173: 52288 + 304 = 52592
Step 174: 52592 + 304 = 52896
Step 175: 52896 + 304 = 53200
Step 176: 53200 + 304 = 53504
Step 177: 53504 + 304 = 53808
Step 178: 53808 + 304 = 54112
Step 179: 54112 + 304 = 54416
Step 180: 54416 + 304 = 54720
Step 181: 54720 + 304 = 55024
Step 182: 55024 + 304 = 55328
Step 183: 55328 + 304 = 55632
Step 184: 55632 + 304 = 55936
Step 185: 55936 + 304 = 56240
Step 186: 56240 + 304 = 56544
Step 187: 56544 + 304 = 56848
Step 188: 56848 + 304 = 57152
Step 189: 57152 + 304 = 57456
Step 190: 57456 + 304 = 57760
Step 191: 57760 + 304 = 58064
Step 192: 58064 + 304 = 58368
Step 193: 58368 + 304 = 58672
Step 194: 58672 + 304 = 58976
Step 195: 58976 + 304 = 59280
Step 196: 59280 + 304 = 59584
Step 197: 59584 + 304 = 59888
Step 198: 59888 + 304 = 60192
Step 199: 60192 + 304 = 60496
Step 200: 60496 + 304 = 60800
Step 201: 60800 + 304 = 61104
Step 202: 61104 + 304 = 61408
Step 203: 61408 + 304 = 61712
Step 204: 61712 + 304 = 62016
Step 205: 62016 + 304 = 62320
Step 206: 62320 + 304 = 62624
Step 207: 62624 + 304 = 62928
Step 208: 62928 + 304 = 63232
Step 209: 63232 + 304 = 63536
Step 210: 63536 + 304 = 63840
Step 211: 63840 + 304 = 64144
Step 212: 64144 + 304 = 64448
Step 213: 64448 + 304 = 64752
Step 214: 64752 + 304 = 65056
Step 215: 65056 + 304 = 65360
Step 216: 65360 + 304 = 65664
Step 217: 65664 + 304 = 65968
Step 218: 65968 + 304 = 66272
Step 219: 66272 + 304 = 66576
Step 220: 66576 + 304 = 66880
Step 221: 66880 + 304 = 67184
Step 222: 67184 + 304 = 67488
Step 223: 67488 + 304 = 67792
Step 224: 67792 + 304 = 68096
Step 225: 68096 + 304 = 68400
Step 226: 68400 + 304 = 68704
Step 227: 68704 + 304 = 69008
Step 228: 69008 + 304 = 69312
Step 229: 69312 + 304 = 69616
Step 230: 69616 + 304 = 69920
Step 231: 69920 + 304 = 70224
Step 232: 70224 + 304 = 70528
Step 233: 70528 + 304 = 70832
Step 234: 70832 + 304 = 71136
Step 235: 71136 + 304 = 71440
Step 236: 71440 + 304 = 71744
Step 237: 71744 + 304 = 72048
Step 238: 72048 + 304 = 72352
Step 239: 72352 + 304 = 72656
Step 240: 72656 + 304 = 72960
Step 241: 72960 + 304 = 73264
Step 242: 73264 + 304 = 73568
Step 243: 73568 + 304 = 73872
Step 244: 73872 + 304 = 74176
Step 245: 74176 + 304 = 74480
Step 246: 74480 + 304 = 74784
Step 247: 74784 + 304 = 75088
Step 248: 75088 + 304 = 75392
Step 249: 75392 + 304 = 75696
Step 250: 75696 + 304 = 76000
Step 251: 76000 + 304 = 76304
Step 252: 76304 + 304 = 76608
Step 253: 76608 + 304 = 76912
Step 254: 76912 + 304 = 77216
Step 255: 77216 + 304 = 77520
Step 256: 77520 + 304 = 77824
Step 257: 77824 + 304 = 78128
Step 258: 78128 + 304 = 78432
Step 259: 78432 + 304 = 78736
Step 260: 78736 + 304 = 79040
Step 261: 79040 + 304 = 79344
Step 262: 79344 + 304 = 79648
Step 263: 79648 + 304 = 79952
Step 264: 79952 + 304 = 80256
Step 265: 80256 + 304 = 80560
Step 266: 80560 + 304 = 80864
Step 267: 80864 + 304 = 81168
Step 268: 81168 + 304 = 81472
Step 269: 81472 + 304 = 81776
Step 270: 81776 + 304 = 82080
Step 271: 82080 + 304 = 82384
Step 272: 82384 + 304 = 82688
Step 273: 82688 + 304 = 82992
Step 274: 82992 + 304 = 83296
Step 275: 83296 + 304 = 83600
Step 276: 83600 + 304 = 83904
Step 277: 83904 + 304 = 84208
Step 278: 84208 + 304 = 84512
Step 279: 84512 + 304 = 84816
Step 280: 84816 + 304 = 85120
Step 281: 85120 + 304 = 85424
Step 282: 85424 + 304 = 85728
Step 283: 85728 + 304 = 86032
Step 284: 86032 + 304 = 86336
Step 285: 86336 + 304 = 86640
Step 286: 86640 + 304 = 86944
Step 287: 86944 + 304 = 87248
Step 288: 87248 + 304 = 87552
Step 289: 87552 + 304 = 87856
Step 290: 87856 + 304 = 88160
Step 291: 88160 + 304 = 88464
Step 292: 88464 + 304 = 88768
Step 293: 88768 + 304 = 89072
Step 294: 89072 + 304 = 89376
Step 295: 89376 + 304 = 89680
Step 296: 89680 + 304 = 89984
Step 297: 89984 + 304 = 90288
Step 298: 90288 + 304 = 90592
Step 299: 90592 + 304 = 90896
Step 300: 90896 + 304 = 91200
Step 301: 91200 + 304 = 91504
Step 302: 91504 + 304 = 91808
Step 303: 91808 + 304 = 92112
Step 304: 92112 + 304 = 92416
Step 305: 92416 + 304 = 92720
Step 306: 92720 + 304 = 93024
Step 307: 93024 + 304 = 93328
Step 308: 93328 + 304 = 93632
Step 309: 93632 + 304 = 93936
Step 310: 93936 + 304 = 94240
Step 311: 94240 + 304 = 94544
Step 312: 94544 + 304 = 94848
Step 313: 94848 + 304 = 95152
Step 314: 95152 + 304 = 95456
Step 315: 95456 + 304 = 95760
Step 316: 95760 + 304 = 96064
Step 317: 96064 + 304 = 96368
Step 318: 96368 + 304 = 96672
Step 319: 96672 + 304 = 96976
Step 320: 96976 + 304 = 97280
Step 321: 97280 + 304 = 97584
Step 322: 97584 + 304 = 97888
Step 323: 97888 + 304 = 98192
Step 324: 98192 + 304 = 98496
Step 325: 98496 + 304 = 98800
Step 326: 98800 + 304 = 99104
Step 327: 99104 + 304 = 99408
Step 328: 99408 + 304 = 99712
Step 329: 99712 + 304 = 100016
Step 330: 100016 + 304 = 100320
Step 331: 100320 + 304 = 100624
Step 332: 100624 + 304 = 100928
Step 333: 100928 + 304 = 101232
Step 334: 101232 + 304 = 101536
Step 335: 101536 + 304 = 101840
Step 336: 101840 + 304 = 102144
Step 337: 102144 + 304 = 102448
Step 338: 102448 + 304 = 102752
Step 339: 102752 + 304 = 103056
Step 340: 103056 + 304 = 103360
Step 341: 103360 + 304 = 103664
Step 342: 103664 + 304 = 103968
Step 343: 103968 + 304 = 104272
Step 344: 104272 + 304 = 104576
Step 345: 104576 + 304 = 104880
Step 346: 104880 + 304 = 105184
Step 347: 105184 + 304 = 105488
Step 348: 105488 + 304 = 105792
Step 349: 105792 + 304 = 106096
Step 350: 106096 + 304 = 106400
Step 351: 106400 + 304 = 106704
Step 352: 106704 + 304 = 107008
Step 353: 107008 + 304 = 107312
Step 354: 107312 + 304 = 107616
Step 355: 107616 + 304 = 107920
Step 356: 107920 + 304 = 108224
Step 357: 108224 + 304 = 108528
Step 358: 108528 + 304 = 108832
Step 359: 108832 + 304 = 109136
Step 360: 109136 + 304 = 109440
Step 361: 109440 + 304 = 109744
Step 362: 109744 + 304 = 110048
Step 363: 110048 + 304 = 110352
Step 364: 110352 + 304 = 110656
Step 365: 110656 + 304 = 110960
Step 366: 110960 + 304 = 111264
Step 367: 111264 + 304 = 111568
Step 368: 111568 + 304 = 111872
Step 369: 111872 + 304 = 112176
Step 370: 112176 + 304 = 112480
Step 371: 112480 + 304 = 112784
Step 372: 112784 + 304 = 113088
Step 373: 113088 + 304 = 113392
Step 374: 113392 + 304 = 113696
Step 375: 113696 + 304 = 114000
Step 376: 114000 + 304 = 114304
Step 377: 114304 + 304 = 114608
Step 378: 114608 + 304 = 114912
Step 379: 114912 + 304 = 115216
Step 380: 115216 + 304 = 115520
Step 381: 115520 + 304 = 115824
Step 382: 115824 + 304 = 116128
Step 383: 116128 + 304 = 116432
Step 384: 116432 + 304 = 116736
Step 385: 116736 + 304 = 117040
Step 386: 117040 + 304 = 117344
Step 387: 117344 + 304 = 117648
Step 388: 117648 + 304 = 117952
Step 389: 117952 + 304 = 118256
Step 390: 118256 + 304 = 118560
Step 391: 118560 + 304 = 118864
Step 392: 118864 + 304 = 119168
Step 393: 119168 + 304 = 119472
Step 394: 119472 + 304 = 119776
Step 395: 119776 + 304 = 120080
Step 396: 120080 + 304 = 120384
Step 397: 120384 + 304 = 120688
Step 398: 120688 + 304 = 120992
Step 399: 120992 + 304 = 121296
Step 400: 121296 + 304 = 121600
Step 401: 121600 + 304 = 121904
Step 402: 121904 + 304 = 122208
Step 403: 122208 + 304 = 122512
Step 404: 122512 + 304 = 122816
Step 405: 122816 + 304 = 123120
Step 406: 123120 + 304 = 123424
Step 407: 123424 + 304 = 123728
Step 408: 123728 + 304 = 124032
Step 409: 124032 + 304 = 124336
Step 410: 124336 + 304 = 124640
Step 411: 124640 + 304 = 124944
Step 412: 124944 + 304 = 125248
Step 413: 125248 + 304 = 125552
Step 414: 125552 + 304 = 125856
Step 415: 125856 + 304 = 126160
Step 416: 126160 + 304 = 126464
Step 417: 126464 + 304 = 126768
Step 418: 126768 + 304 = 127072
Step 419: 127072 + 304 = 127376
Step 420: 127376 + 304 = 127680
Step 421: 127680 + 304 = 127984
Step 422: 127984 + 304 = 128288
Step 423: 128288 + 304 = 128592
Step 424: 128592 + 304 = 128896
Step 425: 128896 + 304 = 129200
Step 426: 129200 + 304 = 129504
Step 427: 129504 + 304 = 129808
Step 428: 129808 + 304 = 130112
Step 429: 130112 + 304 = 130416
Step 430: 130416 + 304 = 130720
Step 431: 130720 + 304 = 131024
Step 432: 131024 + 304 = 131328
Step 433: 131328 + 304 = 131632
Step 434: 131632 + 304 = 131936
Step 435: 131936 + 304 = 132240
Step 436: 132240 + 304 = 132544
Step 437: 132544 + 304 = 132848
Step 438: 132848 + 304 = 133152
Step 439: 133152 + 304 = 133456

So, 304*439 = 133456