Let's roll up our sleeves and solve this. We have 136 and we're going to multiply it by 185, essentially adding 136 to itself 185 times.
Step 1: 0 + 136 = 136
Step 2: 136 + 136 = 272
Step 3: 272 + 136 = 408
Step 4: 408 + 136 = 544
Step 5: 544 + 136 = 680
Step 6: 680 + 136 = 816
Step 7: 816 + 136 = 952
Step 8: 952 + 136 = 1088
Step 9: 1088 + 136 = 1224
Step 10: 1224 + 136 = 1360
Step 11: 1360 + 136 = 1496
Step 12: 1496 + 136 = 1632
Step 13: 1632 + 136 = 1768
Step 14: 1768 + 136 = 1904
Step 15: 1904 + 136 = 2040
Step 16: 2040 + 136 = 2176
Step 17: 2176 + 136 = 2312
Step 18: 2312 + 136 = 2448
Step 19: 2448 + 136 = 2584
Step 20: 2584 + 136 = 2720
Step 21: 2720 + 136 = 2856
Step 22: 2856 + 136 = 2992
Step 23: 2992 + 136 = 3128
Step 24: 3128 + 136 = 3264
Step 25: 3264 + 136 = 3400
Step 26: 3400 + 136 = 3536
Step 27: 3536 + 136 = 3672
Step 28: 3672 + 136 = 3808
Step 29: 3808 + 136 = 3944
Step 30: 3944 + 136 = 4080
Step 31: 4080 + 136 = 4216
Step 32: 4216 + 136 = 4352
Step 33: 4352 + 136 = 4488
Step 34: 4488 + 136 = 4624
Step 35: 4624 + 136 = 4760
Step 36: 4760 + 136 = 4896
Step 37: 4896 + 136 = 5032
Step 38: 5032 + 136 = 5168
Step 39: 5168 + 136 = 5304
Step 40: 5304 + 136 = 5440
Step 41: 5440 + 136 = 5576
Step 42: 5576 + 136 = 5712
Step 43: 5712 + 136 = 5848
Step 44: 5848 + 136 = 5984
Step 45: 5984 + 136 = 6120
Step 46: 6120 + 136 = 6256
Step 47: 6256 + 136 = 6392
Step 48: 6392 + 136 = 6528
Step 49: 6528 + 136 = 6664
Step 50: 6664 + 136 = 6800
Step 51: 6800 + 136 = 6936
Step 52: 6936 + 136 = 7072
Step 53: 7072 + 136 = 7208
Step 54: 7208 + 136 = 7344
Step 55: 7344 + 136 = 7480
Step 56: 7480 + 136 = 7616
Step 57: 7616 + 136 = 7752
Step 58: 7752 + 136 = 7888
Step 59: 7888 + 136 = 8024
Step 60: 8024 + 136 = 8160
Step 61: 8160 + 136 = 8296
Step 62: 8296 + 136 = 8432
Step 63: 8432 + 136 = 8568
Step 64: 8568 + 136 = 8704
Step 65: 8704 + 136 = 8840
Step 66: 8840 + 136 = 8976
Step 67: 8976 + 136 = 9112
Step 68: 9112 + 136 = 9248
Step 69: 9248 + 136 = 9384
Step 70: 9384 + 136 = 9520
Step 71: 9520 + 136 = 9656
Step 72: 9656 + 136 = 9792
Step 73: 9792 + 136 = 9928
Step 74: 9928 + 136 = 10064
Step 75: 10064 + 136 = 10200
Step 76: 10200 + 136 = 10336
Step 77: 10336 + 136 = 10472
Step 78: 10472 + 136 = 10608
Step 79: 10608 + 136 = 10744
Step 80: 10744 + 136 = 10880
Step 81: 10880 + 136 = 11016
Step 82: 11016 + 136 = 11152
Step 83: 11152 + 136 = 11288
Step 84: 11288 + 136 = 11424
Step 85: 11424 + 136 = 11560
Step 86: 11560 + 136 = 11696
Step 87: 11696 + 136 = 11832
Step 88: 11832 + 136 = 11968
Step 89: 11968 + 136 = 12104
Step 90: 12104 + 136 = 12240
Step 91: 12240 + 136 = 12376
Step 92: 12376 + 136 = 12512
Step 93: 12512 + 136 = 12648
Step 94: 12648 + 136 = 12784
Step 95: 12784 + 136 = 12920
Step 96: 12920 + 136 = 13056
Step 97: 13056 + 136 = 13192
Step 98: 13192 + 136 = 13328
Step 99: 13328 + 136 = 13464
Step 100: 13464 + 136 = 13600
Step 101: 13600 + 136 = 13736
Step 102: 13736 + 136 = 13872
Step 103: 13872 + 136 = 14008
Step 104: 14008 + 136 = 14144
Step 105: 14144 + 136 = 14280
Step 106: 14280 + 136 = 14416
Step 107: 14416 + 136 = 14552
Step 108: 14552 + 136 = 14688
Step 109: 14688 + 136 = 14824
Step 110: 14824 + 136 = 14960
Step 111: 14960 + 136 = 15096
Step 112: 15096 + 136 = 15232
Step 113: 15232 + 136 = 15368
Step 114: 15368 + 136 = 15504
Step 115: 15504 + 136 = 15640
Step 116: 15640 + 136 = 15776
Step 117: 15776 + 136 = 15912
Step 118: 15912 + 136 = 16048
Step 119: 16048 + 136 = 16184
Step 120: 16184 + 136 = 16320
Step 121: 16320 + 136 = 16456
Step 122: 16456 + 136 = 16592
Step 123: 16592 + 136 = 16728
Step 124: 16728 + 136 = 16864
Step 125: 16864 + 136 = 17000
Step 126: 17000 + 136 = 17136
Step 127: 17136 + 136 = 17272
Step 128: 17272 + 136 = 17408
Step 129: 17408 + 136 = 17544
Step 130: 17544 + 136 = 17680
Step 131: 17680 + 136 = 17816
Step 132: 17816 + 136 = 17952
Step 133: 17952 + 136 = 18088
Step 134: 18088 + 136 = 18224
Step 135: 18224 + 136 = 18360
Step 136: 18360 + 136 = 18496
Step 137: 18496 + 136 = 18632
Step 138: 18632 + 136 = 18768
Step 139: 18768 + 136 = 18904
Step 140: 18904 + 136 = 19040
Step 141: 19040 + 136 = 19176
Step 142: 19176 + 136 = 19312
Step 143: 19312 + 136 = 19448
Step 144: 19448 + 136 = 19584
Step 145: 19584 + 136 = 19720
Step 146: 19720 + 136 = 19856
Step 147: 19856 + 136 = 19992
Step 148: 19992 + 136 = 20128
Step 149: 20128 + 136 = 20264
Step 150: 20264 + 136 = 20400
Step 151: 20400 + 136 = 20536
Step 152: 20536 + 136 = 20672
Step 153: 20672 + 136 = 20808
Step 154: 20808 + 136 = 20944
Step 155: 20944 + 136 = 21080
Step 156: 21080 + 136 = 21216
Step 157: 21216 + 136 = 21352
Step 158: 21352 + 136 = 21488
Step 159: 21488 + 136 = 21624
Step 160: 21624 + 136 = 21760
Step 161: 21760 + 136 = 21896
Step 162: 21896 + 136 = 22032
Step 163: 22032 + 136 = 22168
Step 164: 22168 + 136 = 22304
Step 165: 22304 + 136 = 22440
Step 166: 22440 + 136 = 22576
Step 167: 22576 + 136 = 22712
Step 168: 22712 + 136 = 22848
Step 169: 22848 + 136 = 22984
Step 170: 22984 + 136 = 23120
Step 171: 23120 + 136 = 23256
Step 172: 23256 + 136 = 23392
Step 173: 23392 + 136 = 23528
Step 174: 23528 + 136 = 23664
Step 175: 23664 + 136 = 23800
Step 176: 23800 + 136 = 23936
Step 177: 23936 + 136 = 24072
Step 178: 24072 + 136 = 24208
Step 179: 24208 + 136 = 24344
Step 180: 24344 + 136 = 24480
Step 181: 24480 + 136 = 24616
Step 182: 24616 + 136 = 24752
Step 183: 24752 + 136 = 24888
Step 184: 24888 + 136 = 25024
Step 185: 25024 + 136 = 25160

So, 136*185 = 25160