Sure thing, let's get straight to it. We start with 432 and we're going to multiply it by 102, which means adding 432 to itself 102 times.
Step 1: 0 + 432 = 432
Step 2: 432 + 432 = 864
Step 3: 864 + 432 = 1296
Step 4: 1296 + 432 = 1728
Step 5: 1728 + 432 = 2160
Step 6: 2160 + 432 = 2592
Step 7: 2592 + 432 = 3024
Step 8: 3024 + 432 = 3456
Step 9: 3456 + 432 = 3888
Step 10: 3888 + 432 = 4320
Step 11: 4320 + 432 = 4752
Step 12: 4752 + 432 = 5184
Step 13: 5184 + 432 = 5616
Step 14: 5616 + 432 = 6048
Step 15: 6048 + 432 = 6480
Step 16: 6480 + 432 = 6912
Step 17: 6912 + 432 = 7344
Step 18: 7344 + 432 = 7776
Step 19: 7776 + 432 = 8208
Step 20: 8208 + 432 = 8640
Step 21: 8640 + 432 = 9072
Step 22: 9072 + 432 = 9504
Step 23: 9504 + 432 = 9936
Step 24: 9936 + 432 = 10368
Step 25: 10368 + 432 = 10800
Step 26: 10800 + 432 = 11232
Step 27: 11232 + 432 = 11664
Step 28: 11664 + 432 = 12096
Step 29: 12096 + 432 = 12528
Step 30: 12528 + 432 = 12960
Step 31: 12960 + 432 = 13392
Step 32: 13392 + 432 = 13824
Step 33: 13824 + 432 = 14256
Step 34: 14256 + 432 = 14688
Step 35: 14688 + 432 = 15120
Step 36: 15120 + 432 = 15552
Step 37: 15552 + 432 = 15984
Step 38: 15984 + 432 = 16416
Step 39: 16416 + 432 = 16848
Step 40: 16848 + 432 = 17280
Step 41: 17280 + 432 = 17712
Step 42: 17712 + 432 = 18144
Step 43: 18144 + 432 = 18576
Step 44: 18576 + 432 = 19008
Step 45: 19008 + 432 = 19440
Step 46: 19440 + 432 = 19872
Step 47: 19872 + 432 = 20304
Step 48: 20304 + 432 = 20736
Step 49: 20736 + 432 = 21168
Step 50: 21168 + 432 = 21600
Step 51: 21600 + 432 = 22032
Step 52: 22032 + 432 = 22464
Step 53: 22464 + 432 = 22896
Step 54: 22896 + 432 = 23328
Step 55: 23328 + 432 = 23760
Step 56: 23760 + 432 = 24192
Step 57: 24192 + 432 = 24624
Step 58: 24624 + 432 = 25056
Step 59: 25056 + 432 = 25488
Step 60: 25488 + 432 = 25920
Step 61: 25920 + 432 = 26352
Step 62: 26352 + 432 = 26784
Step 63: 26784 + 432 = 27216
Step 64: 27216 + 432 = 27648
Step 65: 27648 + 432 = 28080
Step 66: 28080 + 432 = 28512
Step 67: 28512 + 432 = 28944
Step 68: 28944 + 432 = 29376
Step 69: 29376 + 432 = 29808
Step 70: 29808 + 432 = 30240
Step 71: 30240 + 432 = 30672
Step 72: 30672 + 432 = 31104
Step 73: 31104 + 432 = 31536
Step 74: 31536 + 432 = 31968
Step 75: 31968 + 432 = 32400
Step 76: 32400 + 432 = 32832
Step 77: 32832 + 432 = 33264
Step 78: 33264 + 432 = 33696
Step 79: 33696 + 432 = 34128
Step 80: 34128 + 432 = 34560
Step 81: 34560 + 432 = 34992
Step 82: 34992 + 432 = 35424
Step 83: 35424 + 432 = 35856
Step 84: 35856 + 432 = 36288
Step 85: 36288 + 432 = 36720
Step 86: 36720 + 432 = 37152
Step 87: 37152 + 432 = 37584
Step 88: 37584 + 432 = 38016
Step 89: 38016 + 432 = 38448
Step 90: 38448 + 432 = 38880
Step 91: 38880 + 432 = 39312
Step 92: 39312 + 432 = 39744
Step 93: 39744 + 432 = 40176
Step 94: 40176 + 432 = 40608
Step 95: 40608 + 432 = 41040
Step 96: 41040 + 432 = 41472
Step 97: 41472 + 432 = 41904
Step 98: 41904 + 432 = 42336
Step 99: 42336 + 432 = 42768
Step 100: 42768 + 432 = 43200
Step 101: 43200 + 432 = 43632
Step 102: 43632 + 432 = 44064

So, 432*102 = 44064