Without delay, let's solve this. We've got 128 and we will be multiplying it by 146, that is, adding 128 to itself 146 times.
Step 1: 0 + 128 = 128
Step 2: 128 + 128 = 256
Step 3: 256 + 128 = 384
Step 4: 384 + 128 = 512
Step 5: 512 + 128 = 640
Step 6: 640 + 128 = 768
Step 7: 768 + 128 = 896
Step 8: 896 + 128 = 1024
Step 9: 1024 + 128 = 1152
Step 10: 1152 + 128 = 1280
Step 11: 1280 + 128 = 1408
Step 12: 1408 + 128 = 1536
Step 13: 1536 + 128 = 1664
Step 14: 1664 + 128 = 1792
Step 15: 1792 + 128 = 1920
Step 16: 1920 + 128 = 2048
Step 17: 2048 + 128 = 2176
Step 18: 2176 + 128 = 2304
Step 19: 2304 + 128 = 2432
Step 20: 2432 + 128 = 2560
Step 21: 2560 + 128 = 2688
Step 22: 2688 + 128 = 2816
Step 23: 2816 + 128 = 2944
Step 24: 2944 + 128 = 3072
Step 25: 3072 + 128 = 3200
Step 26: 3200 + 128 = 3328
Step 27: 3328 + 128 = 3456
Step 28: 3456 + 128 = 3584
Step 29: 3584 + 128 = 3712
Step 30: 3712 + 128 = 3840
Step 31: 3840 + 128 = 3968
Step 32: 3968 + 128 = 4096
Step 33: 4096 + 128 = 4224
Step 34: 4224 + 128 = 4352
Step 35: 4352 + 128 = 4480
Step 36: 4480 + 128 = 4608
Step 37: 4608 + 128 = 4736
Step 38: 4736 + 128 = 4864
Step 39: 4864 + 128 = 4992
Step 40: 4992 + 128 = 5120
Step 41: 5120 + 128 = 5248
Step 42: 5248 + 128 = 5376
Step 43: 5376 + 128 = 5504
Step 44: 5504 + 128 = 5632
Step 45: 5632 + 128 = 5760
Step 46: 5760 + 128 = 5888
Step 47: 5888 + 128 = 6016
Step 48: 6016 + 128 = 6144
Step 49: 6144 + 128 = 6272
Step 50: 6272 + 128 = 6400
Step 51: 6400 + 128 = 6528
Step 52: 6528 + 128 = 6656
Step 53: 6656 + 128 = 6784
Step 54: 6784 + 128 = 6912
Step 55: 6912 + 128 = 7040
Step 56: 7040 + 128 = 7168
Step 57: 7168 + 128 = 7296
Step 58: 7296 + 128 = 7424
Step 59: 7424 + 128 = 7552
Step 60: 7552 + 128 = 7680
Step 61: 7680 + 128 = 7808
Step 62: 7808 + 128 = 7936
Step 63: 7936 + 128 = 8064
Step 64: 8064 + 128 = 8192
Step 65: 8192 + 128 = 8320
Step 66: 8320 + 128 = 8448
Step 67: 8448 + 128 = 8576
Step 68: 8576 + 128 = 8704
Step 69: 8704 + 128 = 8832
Step 70: 8832 + 128 = 8960
Step 71: 8960 + 128 = 9088
Step 72: 9088 + 128 = 9216
Step 73: 9216 + 128 = 9344
Step 74: 9344 + 128 = 9472
Step 75: 9472 + 128 = 9600
Step 76: 9600 + 128 = 9728
Step 77: 9728 + 128 = 9856
Step 78: 9856 + 128 = 9984
Step 79: 9984 + 128 = 10112
Step 80: 10112 + 128 = 10240
Step 81: 10240 + 128 = 10368
Step 82: 10368 + 128 = 10496
Step 83: 10496 + 128 = 10624
Step 84: 10624 + 128 = 10752
Step 85: 10752 + 128 = 10880
Step 86: 10880 + 128 = 11008
Step 87: 11008 + 128 = 11136
Step 88: 11136 + 128 = 11264
Step 89: 11264 + 128 = 11392
Step 90: 11392 + 128 = 11520
Step 91: 11520 + 128 = 11648
Step 92: 11648 + 128 = 11776
Step 93: 11776 + 128 = 11904
Step 94: 11904 + 128 = 12032
Step 95: 12032 + 128 = 12160
Step 96: 12160 + 128 = 12288
Step 97: 12288 + 128 = 12416
Step 98: 12416 + 128 = 12544
Step 99: 12544 + 128 = 12672
Step 100: 12672 + 128 = 12800
Step 101: 12800 + 128 = 12928
Step 102: 12928 + 128 = 13056
Step 103: 13056 + 128 = 13184
Step 104: 13184 + 128 = 13312
Step 105: 13312 + 128 = 13440
Step 106: 13440 + 128 = 13568
Step 107: 13568 + 128 = 13696
Step 108: 13696 + 128 = 13824
Step 109: 13824 + 128 = 13952
Step 110: 13952 + 128 = 14080
Step 111: 14080 + 128 = 14208
Step 112: 14208 + 128 = 14336
Step 113: 14336 + 128 = 14464
Step 114: 14464 + 128 = 14592
Step 115: 14592 + 128 = 14720
Step 116: 14720 + 128 = 14848
Step 117: 14848 + 128 = 14976
Step 118: 14976 + 128 = 15104
Step 119: 15104 + 128 = 15232
Step 120: 15232 + 128 = 15360
Step 121: 15360 + 128 = 15488
Step 122: 15488 + 128 = 15616
Step 123: 15616 + 128 = 15744
Step 124: 15744 + 128 = 15872
Step 125: 15872 + 128 = 16000
Step 126: 16000 + 128 = 16128
Step 127: 16128 + 128 = 16256
Step 128: 16256 + 128 = 16384
Step 129: 16384 + 128 = 16512
Step 130: 16512 + 128 = 16640
Step 131: 16640 + 128 = 16768
Step 132: 16768 + 128 = 16896
Step 133: 16896 + 128 = 17024
Step 134: 17024 + 128 = 17152
Step 135: 17152 + 128 = 17280
Step 136: 17280 + 128 = 17408
Step 137: 17408 + 128 = 17536
Step 138: 17536 + 128 = 17664
Step 139: 17664 + 128 = 17792
Step 140: 17792 + 128 = 17920
Step 141: 17920 + 128 = 18048
Step 142: 18048 + 128 = 18176
Step 143: 18176 + 128 = 18304
Step 144: 18304 + 128 = 18432
Step 145: 18432 + 128 = 18560
Step 146: 18560 + 128 = 18688

So, 128*146 = 18688