Sure thing! We've got 19 and we're gonna multiply it by 128. That's the same as adding 19 to itself 128 times.
Step 1: 0 + 19 = 19
Step 2: 19 + 19 = 38
Step 3: 38 + 19 = 57
Step 4: 57 + 19 = 76
Step 5: 76 + 19 = 95
Step 6: 95 + 19 = 114
Step 7: 114 + 19 = 133
Step 8: 133 + 19 = 152
Step 9: 152 + 19 = 171
Step 10: 171 + 19 = 190
Step 11: 190 + 19 = 209
Step 12: 209 + 19 = 228
Step 13: 228 + 19 = 247
Step 14: 247 + 19 = 266
Step 15: 266 + 19 = 285
Step 16: 285 + 19 = 304
Step 17: 304 + 19 = 323
Step 18: 323 + 19 = 342
Step 19: 342 + 19 = 361
Step 20: 361 + 19 = 380
Step 21: 380 + 19 = 399
Step 22: 399 + 19 = 418
Step 23: 418 + 19 = 437
Step 24: 437 + 19 = 456
Step 25: 456 + 19 = 475
Step 26: 475 + 19 = 494
Step 27: 494 + 19 = 513
Step 28: 513 + 19 = 532
Step 29: 532 + 19 = 551
Step 30: 551 + 19 = 570
Step 31: 570 + 19 = 589
Step 32: 589 + 19 = 608
Step 33: 608 + 19 = 627
Step 34: 627 + 19 = 646
Step 35: 646 + 19 = 665
Step 36: 665 + 19 = 684
Step 37: 684 + 19 = 703
Step 38: 703 + 19 = 722
Step 39: 722 + 19 = 741
Step 40: 741 + 19 = 760
Step 41: 760 + 19 = 779
Step 42: 779 + 19 = 798
Step 43: 798 + 19 = 817
Step 44: 817 + 19 = 836
Step 45: 836 + 19 = 855
Step 46: 855 + 19 = 874
Step 47: 874 + 19 = 893
Step 48: 893 + 19 = 912
Step 49: 912 + 19 = 931
Step 50: 931 + 19 = 950
Step 51: 950 + 19 = 969
Step 52: 969 + 19 = 988
Step 53: 988 + 19 = 1007
Step 54: 1007 + 19 = 1026
Step 55: 1026 + 19 = 1045
Step 56: 1045 + 19 = 1064
Step 57: 1064 + 19 = 1083
Step 58: 1083 + 19 = 1102
Step 59: 1102 + 19 = 1121
Step 60: 1121 + 19 = 1140
Step 61: 1140 + 19 = 1159
Step 62: 1159 + 19 = 1178
Step 63: 1178 + 19 = 1197
Step 64: 1197 + 19 = 1216
Step 65: 1216 + 19 = 1235
Step 66: 1235 + 19 = 1254
Step 67: 1254 + 19 = 1273
Step 68: 1273 + 19 = 1292
Step 69: 1292 + 19 = 1311
Step 70: 1311 + 19 = 1330
Step 71: 1330 + 19 = 1349
Step 72: 1349 + 19 = 1368
Step 73: 1368 + 19 = 1387
Step 74: 1387 + 19 = 1406
Step 75: 1406 + 19 = 1425
Step 76: 1425 + 19 = 1444
Step 77: 1444 + 19 = 1463
Step 78: 1463 + 19 = 1482
Step 79: 1482 + 19 = 1501
Step 80: 1501 + 19 = 1520
Step 81: 1520 + 19 = 1539
Step 82: 1539 + 19 = 1558
Step 83: 1558 + 19 = 1577
Step 84: 1577 + 19 = 1596
Step 85: 1596 + 19 = 1615
Step 86: 1615 + 19 = 1634
Step 87: 1634 + 19 = 1653
Step 88: 1653 + 19 = 1672
Step 89: 1672 + 19 = 1691
Step 90: 1691 + 19 = 1710
Step 91: 1710 + 19 = 1729
Step 92: 1729 + 19 = 1748
Step 93: 1748 + 19 = 1767
Step 94: 1767 + 19 = 1786
Step 95: 1786 + 19 = 1805
Step 96: 1805 + 19 = 1824
Step 97: 1824 + 19 = 1843
Step 98: 1843 + 19 = 1862
Step 99: 1862 + 19 = 1881
Step 100: 1881 + 19 = 1900
Step 101: 1900 + 19 = 1919
Step 102: 1919 + 19 = 1938
Step 103: 1938 + 19 = 1957
Step 104: 1957 + 19 = 1976
Step 105: 1976 + 19 = 1995
Step 106: 1995 + 19 = 2014
Step 107: 2014 + 19 = 2033
Step 108: 2033 + 19 = 2052
Step 109: 2052 + 19 = 2071
Step 110: 2071 + 19 = 2090
Step 111: 2090 + 19 = 2109
Step 112: 2109 + 19 = 2128
Step 113: 2128 + 19 = 2147
Step 114: 2147 + 19 = 2166
Step 115: 2166 + 19 = 2185
Step 116: 2185 + 19 = 2204
Step 117: 2204 + 19 = 2223
Step 118: 2223 + 19 = 2242
Step 119: 2242 + 19 = 2261
Step 120: 2261 + 19 = 2280
Step 121: 2280 + 19 = 2299
Step 122: 2299 + 19 = 2318
Step 123: 2318 + 19 = 2337
Step 124: 2337 + 19 = 2356
Step 125: 2356 + 19 = 2375
Step 126: 2375 + 19 = 2394
Step 127: 2394 + 19 = 2413
Step 128: 2413 + 19 = 2432

So, 19*128 = 2432