Let's roll up our sleeves and solve this. We have 36 and we're going to multiply it by 346, essentially adding 36 to itself 346 times.
Step 1: 0 + 36 = 36
Step 2: 36 + 36 = 72
Step 3: 72 + 36 = 108
Step 4: 108 + 36 = 144
Step 5: 144 + 36 = 180
Step 6: 180 + 36 = 216
Step 7: 216 + 36 = 252
Step 8: 252 + 36 = 288
Step 9: 288 + 36 = 324
Step 10: 324 + 36 = 360
Step 11: 360 + 36 = 396
Step 12: 396 + 36 = 432
Step 13: 432 + 36 = 468
Step 14: 468 + 36 = 504
Step 15: 504 + 36 = 540
Step 16: 540 + 36 = 576
Step 17: 576 + 36 = 612
Step 18: 612 + 36 = 648
Step 19: 648 + 36 = 684
Step 20: 684 + 36 = 720
Step 21: 720 + 36 = 756
Step 22: 756 + 36 = 792
Step 23: 792 + 36 = 828
Step 24: 828 + 36 = 864
Step 25: 864 + 36 = 900
Step 26: 900 + 36 = 936
Step 27: 936 + 36 = 972
Step 28: 972 + 36 = 1008
Step 29: 1008 + 36 = 1044
Step 30: 1044 + 36 = 1080
Step 31: 1080 + 36 = 1116
Step 32: 1116 + 36 = 1152
Step 33: 1152 + 36 = 1188
Step 34: 1188 + 36 = 1224
Step 35: 1224 + 36 = 1260
Step 36: 1260 + 36 = 1296
Step 37: 1296 + 36 = 1332
Step 38: 1332 + 36 = 1368
Step 39: 1368 + 36 = 1404
Step 40: 1404 + 36 = 1440
Step 41: 1440 + 36 = 1476
Step 42: 1476 + 36 = 1512
Step 43: 1512 + 36 = 1548
Step 44: 1548 + 36 = 1584
Step 45: 1584 + 36 = 1620
Step 46: 1620 + 36 = 1656
Step 47: 1656 + 36 = 1692
Step 48: 1692 + 36 = 1728
Step 49: 1728 + 36 = 1764
Step 50: 1764 + 36 = 1800
Step 51: 1800 + 36 = 1836
Step 52: 1836 + 36 = 1872
Step 53: 1872 + 36 = 1908
Step 54: 1908 + 36 = 1944
Step 55: 1944 + 36 = 1980
Step 56: 1980 + 36 = 2016
Step 57: 2016 + 36 = 2052
Step 58: 2052 + 36 = 2088
Step 59: 2088 + 36 = 2124
Step 60: 2124 + 36 = 2160
Step 61: 2160 + 36 = 2196
Step 62: 2196 + 36 = 2232
Step 63: 2232 + 36 = 2268
Step 64: 2268 + 36 = 2304
Step 65: 2304 + 36 = 2340
Step 66: 2340 + 36 = 2376
Step 67: 2376 + 36 = 2412
Step 68: 2412 + 36 = 2448
Step 69: 2448 + 36 = 2484
Step 70: 2484 + 36 = 2520
Step 71: 2520 + 36 = 2556
Step 72: 2556 + 36 = 2592
Step 73: 2592 + 36 = 2628
Step 74: 2628 + 36 = 2664
Step 75: 2664 + 36 = 2700
Step 76: 2700 + 36 = 2736
Step 77: 2736 + 36 = 2772
Step 78: 2772 + 36 = 2808
Step 79: 2808 + 36 = 2844
Step 80: 2844 + 36 = 2880
Step 81: 2880 + 36 = 2916
Step 82: 2916 + 36 = 2952
Step 83: 2952 + 36 = 2988
Step 84: 2988 + 36 = 3024
Step 85: 3024 + 36 = 3060
Step 86: 3060 + 36 = 3096
Step 87: 3096 + 36 = 3132
Step 88: 3132 + 36 = 3168
Step 89: 3168 + 36 = 3204
Step 90: 3204 + 36 = 3240
Step 91: 3240 + 36 = 3276
Step 92: 3276 + 36 = 3312
Step 93: 3312 + 36 = 3348
Step 94: 3348 + 36 = 3384
Step 95: 3384 + 36 = 3420
Step 96: 3420 + 36 = 3456
Step 97: 3456 + 36 = 3492
Step 98: 3492 + 36 = 3528
Step 99: 3528 + 36 = 3564
Step 100: 3564 + 36 = 3600
Step 101: 3600 + 36 = 3636
Step 102: 3636 + 36 = 3672
Step 103: 3672 + 36 = 3708
Step 104: 3708 + 36 = 3744
Step 105: 3744 + 36 = 3780
Step 106: 3780 + 36 = 3816
Step 107: 3816 + 36 = 3852
Step 108: 3852 + 36 = 3888
Step 109: 3888 + 36 = 3924
Step 110: 3924 + 36 = 3960
Step 111: 3960 + 36 = 3996
Step 112: 3996 + 36 = 4032
Step 113: 4032 + 36 = 4068
Step 114: 4068 + 36 = 4104
Step 115: 4104 + 36 = 4140
Step 116: 4140 + 36 = 4176
Step 117: 4176 + 36 = 4212
Step 118: 4212 + 36 = 4248
Step 119: 4248 + 36 = 4284
Step 120: 4284 + 36 = 4320
Step 121: 4320 + 36 = 4356
Step 122: 4356 + 36 = 4392
Step 123: 4392 + 36 = 4428
Step 124: 4428 + 36 = 4464
Step 125: 4464 + 36 = 4500
Step 126: 4500 + 36 = 4536
Step 127: 4536 + 36 = 4572
Step 128: 4572 + 36 = 4608
Step 129: 4608 + 36 = 4644
Step 130: 4644 + 36 = 4680
Step 131: 4680 + 36 = 4716
Step 132: 4716 + 36 = 4752
Step 133: 4752 + 36 = 4788
Step 134: 4788 + 36 = 4824
Step 135: 4824 + 36 = 4860
Step 136: 4860 + 36 = 4896
Step 137: 4896 + 36 = 4932
Step 138: 4932 + 36 = 4968
Step 139: 4968 + 36 = 5004
Step 140: 5004 + 36 = 5040
Step 141: 5040 + 36 = 5076
Step 142: 5076 + 36 = 5112
Step 143: 5112 + 36 = 5148
Step 144: 5148 + 36 = 5184
Step 145: 5184 + 36 = 5220
Step 146: 5220 + 36 = 5256
Step 147: 5256 + 36 = 5292
Step 148: 5292 + 36 = 5328
Step 149: 5328 + 36 = 5364
Step 150: 5364 + 36 = 5400
Step 151: 5400 + 36 = 5436
Step 152: 5436 + 36 = 5472
Step 153: 5472 + 36 = 5508
Step 154: 5508 + 36 = 5544
Step 155: 5544 + 36 = 5580
Step 156: 5580 + 36 = 5616
Step 157: 5616 + 36 = 5652
Step 158: 5652 + 36 = 5688
Step 159: 5688 + 36 = 5724
Step 160: 5724 + 36 = 5760
Step 161: 5760 + 36 = 5796
Step 162: 5796 + 36 = 5832
Step 163: 5832 + 36 = 5868
Step 164: 5868 + 36 = 5904
Step 165: 5904 + 36 = 5940
Step 166: 5940 + 36 = 5976
Step 167: 5976 + 36 = 6012
Step 168: 6012 + 36 = 6048
Step 169: 6048 + 36 = 6084
Step 170: 6084 + 36 = 6120
Step 171: 6120 + 36 = 6156
Step 172: 6156 + 36 = 6192
Step 173: 6192 + 36 = 6228
Step 174: 6228 + 36 = 6264
Step 175: 6264 + 36 = 6300
Step 176: 6300 + 36 = 6336
Step 177: 6336 + 36 = 6372
Step 178: 6372 + 36 = 6408
Step 179: 6408 + 36 = 6444
Step 180: 6444 + 36 = 6480
Step 181: 6480 + 36 = 6516
Step 182: 6516 + 36 = 6552
Step 183: 6552 + 36 = 6588
Step 184: 6588 + 36 = 6624
Step 185: 6624 + 36 = 6660
Step 186: 6660 + 36 = 6696
Step 187: 6696 + 36 = 6732
Step 188: 6732 + 36 = 6768
Step 189: 6768 + 36 = 6804
Step 190: 6804 + 36 = 6840
Step 191: 6840 + 36 = 6876
Step 192: 6876 + 36 = 6912
Step 193: 6912 + 36 = 6948
Step 194: 6948 + 36 = 6984
Step 195: 6984 + 36 = 7020
Step 196: 7020 + 36 = 7056
Step 197: 7056 + 36 = 7092
Step 198: 7092 + 36 = 7128
Step 199: 7128 + 36 = 7164
Step 200: 7164 + 36 = 7200
Step 201: 7200 + 36 = 7236
Step 202: 7236 + 36 = 7272
Step 203: 7272 + 36 = 7308
Step 204: 7308 + 36 = 7344
Step 205: 7344 + 36 = 7380
Step 206: 7380 + 36 = 7416
Step 207: 7416 + 36 = 7452
Step 208: 7452 + 36 = 7488
Step 209: 7488 + 36 = 7524
Step 210: 7524 + 36 = 7560
Step 211: 7560 + 36 = 7596
Step 212: 7596 + 36 = 7632
Step 213: 7632 + 36 = 7668
Step 214: 7668 + 36 = 7704
Step 215: 7704 + 36 = 7740
Step 216: 7740 + 36 = 7776
Step 217: 7776 + 36 = 7812
Step 218: 7812 + 36 = 7848
Step 219: 7848 + 36 = 7884
Step 220: 7884 + 36 = 7920
Step 221: 7920 + 36 = 7956
Step 222: 7956 + 36 = 7992
Step 223: 7992 + 36 = 8028
Step 224: 8028 + 36 = 8064
Step 225: 8064 + 36 = 8100
Step 226: 8100 + 36 = 8136
Step 227: 8136 + 36 = 8172
Step 228: 8172 + 36 = 8208
Step 229: 8208 + 36 = 8244
Step 230: 8244 + 36 = 8280
Step 231: 8280 + 36 = 8316
Step 232: 8316 + 36 = 8352
Step 233: 8352 + 36 = 8388
Step 234: 8388 + 36 = 8424
Step 235: 8424 + 36 = 8460
Step 236: 8460 + 36 = 8496
Step 237: 8496 + 36 = 8532
Step 238: 8532 + 36 = 8568
Step 239: 8568 + 36 = 8604
Step 240: 8604 + 36 = 8640
Step 241: 8640 + 36 = 8676
Step 242: 8676 + 36 = 8712
Step 243: 8712 + 36 = 8748
Step 244: 8748 + 36 = 8784
Step 245: 8784 + 36 = 8820
Step 246: 8820 + 36 = 8856
Step 247: 8856 + 36 = 8892
Step 248: 8892 + 36 = 8928
Step 249: 8928 + 36 = 8964
Step 250: 8964 + 36 = 9000
Step 251: 9000 + 36 = 9036
Step 252: 9036 + 36 = 9072
Step 253: 9072 + 36 = 9108
Step 254: 9108 + 36 = 9144
Step 255: 9144 + 36 = 9180
Step 256: 9180 + 36 = 9216
Step 257: 9216 + 36 = 9252
Step 258: 9252 + 36 = 9288
Step 259: 9288 + 36 = 9324
Step 260: 9324 + 36 = 9360
Step 261: 9360 + 36 = 9396
Step 262: 9396 + 36 = 9432
Step 263: 9432 + 36 = 9468
Step 264: 9468 + 36 = 9504
Step 265: 9504 + 36 = 9540
Step 266: 9540 + 36 = 9576
Step 267: 9576 + 36 = 9612
Step 268: 9612 + 36 = 9648
Step 269: 9648 + 36 = 9684
Step 270: 9684 + 36 = 9720
Step 271: 9720 + 36 = 9756
Step 272: 9756 + 36 = 9792
Step 273: 9792 + 36 = 9828
Step 274: 9828 + 36 = 9864
Step 275: 9864 + 36 = 9900
Step 276: 9900 + 36 = 9936
Step 277: 9936 + 36 = 9972
Step 278: 9972 + 36 = 10008
Step 279: 10008 + 36 = 10044
Step 280: 10044 + 36 = 10080
Step 281: 10080 + 36 = 10116
Step 282: 10116 + 36 = 10152
Step 283: 10152 + 36 = 10188
Step 284: 10188 + 36 = 10224
Step 285: 10224 + 36 = 10260
Step 286: 10260 + 36 = 10296
Step 287: 10296 + 36 = 10332
Step 288: 10332 + 36 = 10368
Step 289: 10368 + 36 = 10404
Step 290: 10404 + 36 = 10440
Step 291: 10440 + 36 = 10476
Step 292: 10476 + 36 = 10512
Step 293: 10512 + 36 = 10548
Step 294: 10548 + 36 = 10584
Step 295: 10584 + 36 = 10620
Step 296: 10620 + 36 = 10656
Step 297: 10656 + 36 = 10692
Step 298: 10692 + 36 = 10728
Step 299: 10728 + 36 = 10764
Step 300: 10764 + 36 = 10800
Step 301: 10800 + 36 = 10836
Step 302: 10836 + 36 = 10872
Step 303: 10872 + 36 = 10908
Step 304: 10908 + 36 = 10944
Step 305: 10944 + 36 = 10980
Step 306: 10980 + 36 = 11016
Step 307: 11016 + 36 = 11052
Step 308: 11052 + 36 = 11088
Step 309: 11088 + 36 = 11124
Step 310: 11124 + 36 = 11160
Step 311: 11160 + 36 = 11196
Step 312: 11196 + 36 = 11232
Step 313: 11232 + 36 = 11268
Step 314: 11268 + 36 = 11304
Step 315: 11304 + 36 = 11340
Step 316: 11340 + 36 = 11376
Step 317: 11376 + 36 = 11412
Step 318: 11412 + 36 = 11448
Step 319: 11448 + 36 = 11484
Step 320: 11484 + 36 = 11520
Step 321: 11520 + 36 = 11556
Step 322: 11556 + 36 = 11592
Step 323: 11592 + 36 = 11628
Step 324: 11628 + 36 = 11664
Step 325: 11664 + 36 = 11700
Step 326: 11700 + 36 = 11736
Step 327: 11736 + 36 = 11772
Step 328: 11772 + 36 = 11808
Step 329: 11808 + 36 = 11844
Step 330: 11844 + 36 = 11880
Step 331: 11880 + 36 = 11916
Step 332: 11916 + 36 = 11952
Step 333: 11952 + 36 = 11988
Step 334: 11988 + 36 = 12024
Step 335: 12024 + 36 = 12060
Step 336: 12060 + 36 = 12096
Step 337: 12096 + 36 = 12132
Step 338: 12132 + 36 = 12168
Step 339: 12168 + 36 = 12204
Step 340: 12204 + 36 = 12240
Step 341: 12240 + 36 = 12276
Step 342: 12276 + 36 = 12312
Step 343: 12312 + 36 = 12348
Step 344: 12348 + 36 = 12384
Step 345: 12384 + 36 = 12420
Step 346: 12420 + 36 = 12456

So, 36*346 = 12456