Let's get this math done. We have 134 and we're going to multiply it by 102. This is the same as taking 134 and adding it to itself 102 times.
Step 1: 0 + 134 = 134
Step 2: 134 + 134 = 268
Step 3: 268 + 134 = 402
Step 4: 402 + 134 = 536
Step 5: 536 + 134 = 670
Step 6: 670 + 134 = 804
Step 7: 804 + 134 = 938
Step 8: 938 + 134 = 1072
Step 9: 1072 + 134 = 1206
Step 10: 1206 + 134 = 1340
Step 11: 1340 + 134 = 1474
Step 12: 1474 + 134 = 1608
Step 13: 1608 + 134 = 1742
Step 14: 1742 + 134 = 1876
Step 15: 1876 + 134 = 2010
Step 16: 2010 + 134 = 2144
Step 17: 2144 + 134 = 2278
Step 18: 2278 + 134 = 2412
Step 19: 2412 + 134 = 2546
Step 20: 2546 + 134 = 2680
Step 21: 2680 + 134 = 2814
Step 22: 2814 + 134 = 2948
Step 23: 2948 + 134 = 3082
Step 24: 3082 + 134 = 3216
Step 25: 3216 + 134 = 3350
Step 26: 3350 + 134 = 3484
Step 27: 3484 + 134 = 3618
Step 28: 3618 + 134 = 3752
Step 29: 3752 + 134 = 3886
Step 30: 3886 + 134 = 4020
Step 31: 4020 + 134 = 4154
Step 32: 4154 + 134 = 4288
Step 33: 4288 + 134 = 4422
Step 34: 4422 + 134 = 4556
Step 35: 4556 + 134 = 4690
Step 36: 4690 + 134 = 4824
Step 37: 4824 + 134 = 4958
Step 38: 4958 + 134 = 5092
Step 39: 5092 + 134 = 5226
Step 40: 5226 + 134 = 5360
Step 41: 5360 + 134 = 5494
Step 42: 5494 + 134 = 5628
Step 43: 5628 + 134 = 5762
Step 44: 5762 + 134 = 5896
Step 45: 5896 + 134 = 6030
Step 46: 6030 + 134 = 6164
Step 47: 6164 + 134 = 6298
Step 48: 6298 + 134 = 6432
Step 49: 6432 + 134 = 6566
Step 50: 6566 + 134 = 6700
Step 51: 6700 + 134 = 6834
Step 52: 6834 + 134 = 6968
Step 53: 6968 + 134 = 7102
Step 54: 7102 + 134 = 7236
Step 55: 7236 + 134 = 7370
Step 56: 7370 + 134 = 7504
Step 57: 7504 + 134 = 7638
Step 58: 7638 + 134 = 7772
Step 59: 7772 + 134 = 7906
Step 60: 7906 + 134 = 8040
Step 61: 8040 + 134 = 8174
Step 62: 8174 + 134 = 8308
Step 63: 8308 + 134 = 8442
Step 64: 8442 + 134 = 8576
Step 65: 8576 + 134 = 8710
Step 66: 8710 + 134 = 8844
Step 67: 8844 + 134 = 8978
Step 68: 8978 + 134 = 9112
Step 69: 9112 + 134 = 9246
Step 70: 9246 + 134 = 9380
Step 71: 9380 + 134 = 9514
Step 72: 9514 + 134 = 9648
Step 73: 9648 + 134 = 9782
Step 74: 9782 + 134 = 9916
Step 75: 9916 + 134 = 10050
Step 76: 10050 + 134 = 10184
Step 77: 10184 + 134 = 10318
Step 78: 10318 + 134 = 10452
Step 79: 10452 + 134 = 10586
Step 80: 10586 + 134 = 10720
Step 81: 10720 + 134 = 10854
Step 82: 10854 + 134 = 10988
Step 83: 10988 + 134 = 11122
Step 84: 11122 + 134 = 11256
Step 85: 11256 + 134 = 11390
Step 86: 11390 + 134 = 11524
Step 87: 11524 + 134 = 11658
Step 88: 11658 + 134 = 11792
Step 89: 11792 + 134 = 11926
Step 90: 11926 + 134 = 12060
Step 91: 12060 + 134 = 12194
Step 92: 12194 + 134 = 12328
Step 93: 12328 + 134 = 12462
Step 94: 12462 + 134 = 12596
Step 95: 12596 + 134 = 12730
Step 96: 12730 + 134 = 12864
Step 97: 12864 + 134 = 12998
Step 98: 12998 + 134 = 13132
Step 99: 13132 + 134 = 13266
Step 100: 13266 + 134 = 13400
Step 101: 13400 + 134 = 13534
Step 102: 13534 + 134 = 13668

So, 134*102 = 13668