OK, let's crack this. We're given 302 and our task is to multiply it by 312. Essentially, we'll be adding 302 to itself 312 times.
Step 1: 0 + 302 = 302
Step 2: 302 + 302 = 604
Step 3: 604 + 302 = 906
Step 4: 906 + 302 = 1208
Step 5: 1208 + 302 = 1510
Step 6: 1510 + 302 = 1812
Step 7: 1812 + 302 = 2114
Step 8: 2114 + 302 = 2416
Step 9: 2416 + 302 = 2718
Step 10: 2718 + 302 = 3020
Step 11: 3020 + 302 = 3322
Step 12: 3322 + 302 = 3624
Step 13: 3624 + 302 = 3926
Step 14: 3926 + 302 = 4228
Step 15: 4228 + 302 = 4530
Step 16: 4530 + 302 = 4832
Step 17: 4832 + 302 = 5134
Step 18: 5134 + 302 = 5436
Step 19: 5436 + 302 = 5738
Step 20: 5738 + 302 = 6040
Step 21: 6040 + 302 = 6342
Step 22: 6342 + 302 = 6644
Step 23: 6644 + 302 = 6946
Step 24: 6946 + 302 = 7248
Step 25: 7248 + 302 = 7550
Step 26: 7550 + 302 = 7852
Step 27: 7852 + 302 = 8154
Step 28: 8154 + 302 = 8456
Step 29: 8456 + 302 = 8758
Step 30: 8758 + 302 = 9060
Step 31: 9060 + 302 = 9362
Step 32: 9362 + 302 = 9664
Step 33: 9664 + 302 = 9966
Step 34: 9966 + 302 = 10268
Step 35: 10268 + 302 = 10570
Step 36: 10570 + 302 = 10872
Step 37: 10872 + 302 = 11174
Step 38: 11174 + 302 = 11476
Step 39: 11476 + 302 = 11778
Step 40: 11778 + 302 = 12080
Step 41: 12080 + 302 = 12382
Step 42: 12382 + 302 = 12684
Step 43: 12684 + 302 = 12986
Step 44: 12986 + 302 = 13288
Step 45: 13288 + 302 = 13590
Step 46: 13590 + 302 = 13892
Step 47: 13892 + 302 = 14194
Step 48: 14194 + 302 = 14496
Step 49: 14496 + 302 = 14798
Step 50: 14798 + 302 = 15100
Step 51: 15100 + 302 = 15402
Step 52: 15402 + 302 = 15704
Step 53: 15704 + 302 = 16006
Step 54: 16006 + 302 = 16308
Step 55: 16308 + 302 = 16610
Step 56: 16610 + 302 = 16912
Step 57: 16912 + 302 = 17214
Step 58: 17214 + 302 = 17516
Step 59: 17516 + 302 = 17818
Step 60: 17818 + 302 = 18120
Step 61: 18120 + 302 = 18422
Step 62: 18422 + 302 = 18724
Step 63: 18724 + 302 = 19026
Step 64: 19026 + 302 = 19328
Step 65: 19328 + 302 = 19630
Step 66: 19630 + 302 = 19932
Step 67: 19932 + 302 = 20234
Step 68: 20234 + 302 = 20536
Step 69: 20536 + 302 = 20838
Step 70: 20838 + 302 = 21140
Step 71: 21140 + 302 = 21442
Step 72: 21442 + 302 = 21744
Step 73: 21744 + 302 = 22046
Step 74: 22046 + 302 = 22348
Step 75: 22348 + 302 = 22650
Step 76: 22650 + 302 = 22952
Step 77: 22952 + 302 = 23254
Step 78: 23254 + 302 = 23556
Step 79: 23556 + 302 = 23858
Step 80: 23858 + 302 = 24160
Step 81: 24160 + 302 = 24462
Step 82: 24462 + 302 = 24764
Step 83: 24764 + 302 = 25066
Step 84: 25066 + 302 = 25368
Step 85: 25368 + 302 = 25670
Step 86: 25670 + 302 = 25972
Step 87: 25972 + 302 = 26274
Step 88: 26274 + 302 = 26576
Step 89: 26576 + 302 = 26878
Step 90: 26878 + 302 = 27180
Step 91: 27180 + 302 = 27482
Step 92: 27482 + 302 = 27784
Step 93: 27784 + 302 = 28086
Step 94: 28086 + 302 = 28388
Step 95: 28388 + 302 = 28690
Step 96: 28690 + 302 = 28992
Step 97: 28992 + 302 = 29294
Step 98: 29294 + 302 = 29596
Step 99: 29596 + 302 = 29898
Step 100: 29898 + 302 = 30200
Step 101: 30200 + 302 = 30502
Step 102: 30502 + 302 = 30804
Step 103: 30804 + 302 = 31106
Step 104: 31106 + 302 = 31408
Step 105: 31408 + 302 = 31710
Step 106: 31710 + 302 = 32012
Step 107: 32012 + 302 = 32314
Step 108: 32314 + 302 = 32616
Step 109: 32616 + 302 = 32918
Step 110: 32918 + 302 = 33220
Step 111: 33220 + 302 = 33522
Step 112: 33522 + 302 = 33824
Step 113: 33824 + 302 = 34126
Step 114: 34126 + 302 = 34428
Step 115: 34428 + 302 = 34730
Step 116: 34730 + 302 = 35032
Step 117: 35032 + 302 = 35334
Step 118: 35334 + 302 = 35636
Step 119: 35636 + 302 = 35938
Step 120: 35938 + 302 = 36240
Step 121: 36240 + 302 = 36542
Step 122: 36542 + 302 = 36844
Step 123: 36844 + 302 = 37146
Step 124: 37146 + 302 = 37448
Step 125: 37448 + 302 = 37750
Step 126: 37750 + 302 = 38052
Step 127: 38052 + 302 = 38354
Step 128: 38354 + 302 = 38656
Step 129: 38656 + 302 = 38958
Step 130: 38958 + 302 = 39260
Step 131: 39260 + 302 = 39562
Step 132: 39562 + 302 = 39864
Step 133: 39864 + 302 = 40166
Step 134: 40166 + 302 = 40468
Step 135: 40468 + 302 = 40770
Step 136: 40770 + 302 = 41072
Step 137: 41072 + 302 = 41374
Step 138: 41374 + 302 = 41676
Step 139: 41676 + 302 = 41978
Step 140: 41978 + 302 = 42280
Step 141: 42280 + 302 = 42582
Step 142: 42582 + 302 = 42884
Step 143: 42884 + 302 = 43186
Step 144: 43186 + 302 = 43488
Step 145: 43488 + 302 = 43790
Step 146: 43790 + 302 = 44092
Step 147: 44092 + 302 = 44394
Step 148: 44394 + 302 = 44696
Step 149: 44696 + 302 = 44998
Step 150: 44998 + 302 = 45300
Step 151: 45300 + 302 = 45602
Step 152: 45602 + 302 = 45904
Step 153: 45904 + 302 = 46206
Step 154: 46206 + 302 = 46508
Step 155: 46508 + 302 = 46810
Step 156: 46810 + 302 = 47112
Step 157: 47112 + 302 = 47414
Step 158: 47414 + 302 = 47716
Step 159: 47716 + 302 = 48018
Step 160: 48018 + 302 = 48320
Step 161: 48320 + 302 = 48622
Step 162: 48622 + 302 = 48924
Step 163: 48924 + 302 = 49226
Step 164: 49226 + 302 = 49528
Step 165: 49528 + 302 = 49830
Step 166: 49830 + 302 = 50132
Step 167: 50132 + 302 = 50434
Step 168: 50434 + 302 = 50736
Step 169: 50736 + 302 = 51038
Step 170: 51038 + 302 = 51340
Step 171: 51340 + 302 = 51642
Step 172: 51642 + 302 = 51944
Step 173: 51944 + 302 = 52246
Step 174: 52246 + 302 = 52548
Step 175: 52548 + 302 = 52850
Step 176: 52850 + 302 = 53152
Step 177: 53152 + 302 = 53454
Step 178: 53454 + 302 = 53756
Step 179: 53756 + 302 = 54058
Step 180: 54058 + 302 = 54360
Step 181: 54360 + 302 = 54662
Step 182: 54662 + 302 = 54964
Step 183: 54964 + 302 = 55266
Step 184: 55266 + 302 = 55568
Step 185: 55568 + 302 = 55870
Step 186: 55870 + 302 = 56172
Step 187: 56172 + 302 = 56474
Step 188: 56474 + 302 = 56776
Step 189: 56776 + 302 = 57078
Step 190: 57078 + 302 = 57380
Step 191: 57380 + 302 = 57682
Step 192: 57682 + 302 = 57984
Step 193: 57984 + 302 = 58286
Step 194: 58286 + 302 = 58588
Step 195: 58588 + 302 = 58890
Step 196: 58890 + 302 = 59192
Step 197: 59192 + 302 = 59494
Step 198: 59494 + 302 = 59796
Step 199: 59796 + 302 = 60098
Step 200: 60098 + 302 = 60400
Step 201: 60400 + 302 = 60702
Step 202: 60702 + 302 = 61004
Step 203: 61004 + 302 = 61306
Step 204: 61306 + 302 = 61608
Step 205: 61608 + 302 = 61910
Step 206: 61910 + 302 = 62212
Step 207: 62212 + 302 = 62514
Step 208: 62514 + 302 = 62816
Step 209: 62816 + 302 = 63118
Step 210: 63118 + 302 = 63420
Step 211: 63420 + 302 = 63722
Step 212: 63722 + 302 = 64024
Step 213: 64024 + 302 = 64326
Step 214: 64326 + 302 = 64628
Step 215: 64628 + 302 = 64930
Step 216: 64930 + 302 = 65232
Step 217: 65232 + 302 = 65534
Step 218: 65534 + 302 = 65836
Step 219: 65836 + 302 = 66138
Step 220: 66138 + 302 = 66440
Step 221: 66440 + 302 = 66742
Step 222: 66742 + 302 = 67044
Step 223: 67044 + 302 = 67346
Step 224: 67346 + 302 = 67648
Step 225: 67648 + 302 = 67950
Step 226: 67950 + 302 = 68252
Step 227: 68252 + 302 = 68554
Step 228: 68554 + 302 = 68856
Step 229: 68856 + 302 = 69158
Step 230: 69158 + 302 = 69460
Step 231: 69460 + 302 = 69762
Step 232: 69762 + 302 = 70064
Step 233: 70064 + 302 = 70366
Step 234: 70366 + 302 = 70668
Step 235: 70668 + 302 = 70970
Step 236: 70970 + 302 = 71272
Step 237: 71272 + 302 = 71574
Step 238: 71574 + 302 = 71876
Step 239: 71876 + 302 = 72178
Step 240: 72178 + 302 = 72480
Step 241: 72480 + 302 = 72782
Step 242: 72782 + 302 = 73084
Step 243: 73084 + 302 = 73386
Step 244: 73386 + 302 = 73688
Step 245: 73688 + 302 = 73990
Step 246: 73990 + 302 = 74292
Step 247: 74292 + 302 = 74594
Step 248: 74594 + 302 = 74896
Step 249: 74896 + 302 = 75198
Step 250: 75198 + 302 = 75500
Step 251: 75500 + 302 = 75802
Step 252: 75802 + 302 = 76104
Step 253: 76104 + 302 = 76406
Step 254: 76406 + 302 = 76708
Step 255: 76708 + 302 = 77010
Step 256: 77010 + 302 = 77312
Step 257: 77312 + 302 = 77614
Step 258: 77614 + 302 = 77916
Step 259: 77916 + 302 = 78218
Step 260: 78218 + 302 = 78520
Step 261: 78520 + 302 = 78822
Step 262: 78822 + 302 = 79124
Step 263: 79124 + 302 = 79426
Step 264: 79426 + 302 = 79728
Step 265: 79728 + 302 = 80030
Step 266: 80030 + 302 = 80332
Step 267: 80332 + 302 = 80634
Step 268: 80634 + 302 = 80936
Step 269: 80936 + 302 = 81238
Step 270: 81238 + 302 = 81540
Step 271: 81540 + 302 = 81842
Step 272: 81842 + 302 = 82144
Step 273: 82144 + 302 = 82446
Step 274: 82446 + 302 = 82748
Step 275: 82748 + 302 = 83050
Step 276: 83050 + 302 = 83352
Step 277: 83352 + 302 = 83654
Step 278: 83654 + 302 = 83956
Step 279: 83956 + 302 = 84258
Step 280: 84258 + 302 = 84560
Step 281: 84560 + 302 = 84862
Step 282: 84862 + 302 = 85164
Step 283: 85164 + 302 = 85466
Step 284: 85466 + 302 = 85768
Step 285: 85768 + 302 = 86070
Step 286: 86070 + 302 = 86372
Step 287: 86372 + 302 = 86674
Step 288: 86674 + 302 = 86976
Step 289: 86976 + 302 = 87278
Step 290: 87278 + 302 = 87580
Step 291: 87580 + 302 = 87882
Step 292: 87882 + 302 = 88184
Step 293: 88184 + 302 = 88486
Step 294: 88486 + 302 = 88788
Step 295: 88788 + 302 = 89090
Step 296: 89090 + 302 = 89392
Step 297: 89392 + 302 = 89694
Step 298: 89694 + 302 = 89996
Step 299: 89996 + 302 = 90298
Step 300: 90298 + 302 = 90600
Step 301: 90600 + 302 = 90902
Step 302: 90902 + 302 = 91204
Step 303: 91204 + 302 = 91506
Step 304: 91506 + 302 = 91808
Step 305: 91808 + 302 = 92110
Step 306: 92110 + 302 = 92412
Step 307: 92412 + 302 = 92714
Step 308: 92714 + 302 = 93016
Step 309: 93016 + 302 = 93318
Step 310: 93318 + 302 = 93620
Step 311: 93620 + 302 = 93922
Step 312: 93922 + 302 = 94224

So, 302*312 = 94224