Alright, let's solve this math problem step by step. First, we have the number 12. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 256. So, we're going to take the number 12 and add it to itself 256 times.
Step 1: 0 + 12 = 12
Step 2: 12 + 12 = 24
Step 3: 24 + 12 = 36
Step 4: 36 + 12 = 48
Step 5: 48 + 12 = 60
Step 6: 60 + 12 = 72
Step 7: 72 + 12 = 84
Step 8: 84 + 12 = 96
Step 9: 96 + 12 = 108
Step 10: 108 + 12 = 120
Step 11: 120 + 12 = 132
Step 12: 132 + 12 = 144
Step 13: 144 + 12 = 156
Step 14: 156 + 12 = 168
Step 15: 168 + 12 = 180
Step 16: 180 + 12 = 192
Step 17: 192 + 12 = 204
Step 18: 204 + 12 = 216
Step 19: 216 + 12 = 228
Step 20: 228 + 12 = 240
Step 21: 240 + 12 = 252
Step 22: 252 + 12 = 264
Step 23: 264 + 12 = 276
Step 24: 276 + 12 = 288
Step 25: 288 + 12 = 300
Step 26: 300 + 12 = 312
Step 27: 312 + 12 = 324
Step 28: 324 + 12 = 336
Step 29: 336 + 12 = 348
Step 30: 348 + 12 = 360
Step 31: 360 + 12 = 372
Step 32: 372 + 12 = 384
Step 33: 384 + 12 = 396
Step 34: 396 + 12 = 408
Step 35: 408 + 12 = 420
Step 36: 420 + 12 = 432
Step 37: 432 + 12 = 444
Step 38: 444 + 12 = 456
Step 39: 456 + 12 = 468
Step 40: 468 + 12 = 480
Step 41: 480 + 12 = 492
Step 42: 492 + 12 = 504
Step 43: 504 + 12 = 516
Step 44: 516 + 12 = 528
Step 45: 528 + 12 = 540
Step 46: 540 + 12 = 552
Step 47: 552 + 12 = 564
Step 48: 564 + 12 = 576
Step 49: 576 + 12 = 588
Step 50: 588 + 12 = 600
Step 51: 600 + 12 = 612
Step 52: 612 + 12 = 624
Step 53: 624 + 12 = 636
Step 54: 636 + 12 = 648
Step 55: 648 + 12 = 660
Step 56: 660 + 12 = 672
Step 57: 672 + 12 = 684
Step 58: 684 + 12 = 696
Step 59: 696 + 12 = 708
Step 60: 708 + 12 = 720
Step 61: 720 + 12 = 732
Step 62: 732 + 12 = 744
Step 63: 744 + 12 = 756
Step 64: 756 + 12 = 768
Step 65: 768 + 12 = 780
Step 66: 780 + 12 = 792
Step 67: 792 + 12 = 804
Step 68: 804 + 12 = 816
Step 69: 816 + 12 = 828
Step 70: 828 + 12 = 840
Step 71: 840 + 12 = 852
Step 72: 852 + 12 = 864
Step 73: 864 + 12 = 876
Step 74: 876 + 12 = 888
Step 75: 888 + 12 = 900
Step 76: 900 + 12 = 912
Step 77: 912 + 12 = 924
Step 78: 924 + 12 = 936
Step 79: 936 + 12 = 948
Step 80: 948 + 12 = 960
Step 81: 960 + 12 = 972
Step 82: 972 + 12 = 984
Step 83: 984 + 12 = 996
Step 84: 996 + 12 = 1008
Step 85: 1008 + 12 = 1020
Step 86: 1020 + 12 = 1032
Step 87: 1032 + 12 = 1044
Step 88: 1044 + 12 = 1056
Step 89: 1056 + 12 = 1068
Step 90: 1068 + 12 = 1080
Step 91: 1080 + 12 = 1092
Step 92: 1092 + 12 = 1104
Step 93: 1104 + 12 = 1116
Step 94: 1116 + 12 = 1128
Step 95: 1128 + 12 = 1140
Step 96: 1140 + 12 = 1152
Step 97: 1152 + 12 = 1164
Step 98: 1164 + 12 = 1176
Step 99: 1176 + 12 = 1188
Step 100: 1188 + 12 = 1200
Step 101: 1200 + 12 = 1212
Step 102: 1212 + 12 = 1224
Step 103: 1224 + 12 = 1236
Step 104: 1236 + 12 = 1248
Step 105: 1248 + 12 = 1260
Step 106: 1260 + 12 = 1272
Step 107: 1272 + 12 = 1284
Step 108: 1284 + 12 = 1296
Step 109: 1296 + 12 = 1308
Step 110: 1308 + 12 = 1320
Step 111: 1320 + 12 = 1332
Step 112: 1332 + 12 = 1344
Step 113: 1344 + 12 = 1356
Step 114: 1356 + 12 = 1368
Step 115: 1368 + 12 = 1380
Step 116: 1380 + 12 = 1392
Step 117: 1392 + 12 = 1404
Step 118: 1404 + 12 = 1416
Step 119: 1416 + 12 = 1428
Step 120: 1428 + 12 = 1440
Step 121: 1440 + 12 = 1452
Step 122: 1452 + 12 = 1464
Step 123: 1464 + 12 = 1476
Step 124: 1476 + 12 = 1488
Step 125: 1488 + 12 = 1500
Step 126: 1500 + 12 = 1512
Step 127: 1512 + 12 = 1524
Step 128: 1524 + 12 = 1536
Step 129: 1536 + 12 = 1548
Step 130: 1548 + 12 = 1560
Step 131: 1560 + 12 = 1572
Step 132: 1572 + 12 = 1584
Step 133: 1584 + 12 = 1596
Step 134: 1596 + 12 = 1608
Step 135: 1608 + 12 = 1620
Step 136: 1620 + 12 = 1632
Step 137: 1632 + 12 = 1644
Step 138: 1644 + 12 = 1656
Step 139: 1656 + 12 = 1668
Step 140: 1668 + 12 = 1680
Step 141: 1680 + 12 = 1692
Step 142: 1692 + 12 = 1704
Step 143: 1704 + 12 = 1716
Step 144: 1716 + 12 = 1728
Step 145: 1728 + 12 = 1740
Step 146: 1740 + 12 = 1752
Step 147: 1752 + 12 = 1764
Step 148: 1764 + 12 = 1776
Step 149: 1776 + 12 = 1788
Step 150: 1788 + 12 = 1800
Step 151: 1800 + 12 = 1812
Step 152: 1812 + 12 = 1824
Step 153: 1824 + 12 = 1836
Step 154: 1836 + 12 = 1848
Step 155: 1848 + 12 = 1860
Step 156: 1860 + 12 = 1872
Step 157: 1872 + 12 = 1884
Step 158: 1884 + 12 = 1896
Step 159: 1896 + 12 = 1908
Step 160: 1908 + 12 = 1920
Step 161: 1920 + 12 = 1932
Step 162: 1932 + 12 = 1944
Step 163: 1944 + 12 = 1956
Step 164: 1956 + 12 = 1968
Step 165: 1968 + 12 = 1980
Step 166: 1980 + 12 = 1992
Step 167: 1992 + 12 = 2004
Step 168: 2004 + 12 = 2016
Step 169: 2016 + 12 = 2028
Step 170: 2028 + 12 = 2040
Step 171: 2040 + 12 = 2052
Step 172: 2052 + 12 = 2064
Step 173: 2064 + 12 = 2076
Step 174: 2076 + 12 = 2088
Step 175: 2088 + 12 = 2100
Step 176: 2100 + 12 = 2112
Step 177: 2112 + 12 = 2124
Step 178: 2124 + 12 = 2136
Step 179: 2136 + 12 = 2148
Step 180: 2148 + 12 = 2160
Step 181: 2160 + 12 = 2172
Step 182: 2172 + 12 = 2184
Step 183: 2184 + 12 = 2196
Step 184: 2196 + 12 = 2208
Step 185: 2208 + 12 = 2220
Step 186: 2220 + 12 = 2232
Step 187: 2232 + 12 = 2244
Step 188: 2244 + 12 = 2256
Step 189: 2256 + 12 = 2268
Step 190: 2268 + 12 = 2280
Step 191: 2280 + 12 = 2292
Step 192: 2292 + 12 = 2304
Step 193: 2304 + 12 = 2316
Step 194: 2316 + 12 = 2328
Step 195: 2328 + 12 = 2340
Step 196: 2340 + 12 = 2352
Step 197: 2352 + 12 = 2364
Step 198: 2364 + 12 = 2376
Step 199: 2376 + 12 = 2388
Step 200: 2388 + 12 = 2400
Step 201: 2400 + 12 = 2412
Step 202: 2412 + 12 = 2424
Step 203: 2424 + 12 = 2436
Step 204: 2436 + 12 = 2448
Step 205: 2448 + 12 = 2460
Step 206: 2460 + 12 = 2472
Step 207: 2472 + 12 = 2484
Step 208: 2484 + 12 = 2496
Step 209: 2496 + 12 = 2508
Step 210: 2508 + 12 = 2520
Step 211: 2520 + 12 = 2532
Step 212: 2532 + 12 = 2544
Step 213: 2544 + 12 = 2556
Step 214: 2556 + 12 = 2568
Step 215: 2568 + 12 = 2580
Step 216: 2580 + 12 = 2592
Step 217: 2592 + 12 = 2604
Step 218: 2604 + 12 = 2616
Step 219: 2616 + 12 = 2628
Step 220: 2628 + 12 = 2640
Step 221: 2640 + 12 = 2652
Step 222: 2652 + 12 = 2664
Step 223: 2664 + 12 = 2676
Step 224: 2676 + 12 = 2688
Step 225: 2688 + 12 = 2700
Step 226: 2700 + 12 = 2712
Step 227: 2712 + 12 = 2724
Step 228: 2724 + 12 = 2736
Step 229: 2736 + 12 = 2748
Step 230: 2748 + 12 = 2760
Step 231: 2760 + 12 = 2772
Step 232: 2772 + 12 = 2784
Step 233: 2784 + 12 = 2796
Step 234: 2796 + 12 = 2808
Step 235: 2808 + 12 = 2820
Step 236: 2820 + 12 = 2832
Step 237: 2832 + 12 = 2844
Step 238: 2844 + 12 = 2856
Step 239: 2856 + 12 = 2868
Step 240: 2868 + 12 = 2880
Step 241: 2880 + 12 = 2892
Step 242: 2892 + 12 = 2904
Step 243: 2904 + 12 = 2916
Step 244: 2916 + 12 = 2928
Step 245: 2928 + 12 = 2940
Step 246: 2940 + 12 = 2952
Step 247: 2952 + 12 = 2964
Step 248: 2964 + 12 = 2976
Step 249: 2976 + 12 = 2988
Step 250: 2988 + 12 = 3000
Step 251: 3000 + 12 = 3012
Step 252: 3012 + 12 = 3024
Step 253: 3024 + 12 = 3036
Step 254: 3036 + 12 = 3048
Step 255: 3048 + 12 = 3060
Step 256: 3060 + 12 = 3072

So, 12*256 = 3072