Sure thing! We've got 192 and we're gonna multiply it by 72. That's the same as adding 192 to itself 72 times.
Step 1: 0 + 192 = 192
Step 2: 192 + 192 = 384
Step 3: 384 + 192 = 576
Step 4: 576 + 192 = 768
Step 5: 768 + 192 = 960
Step 6: 960 + 192 = 1152
Step 7: 1152 + 192 = 1344
Step 8: 1344 + 192 = 1536
Step 9: 1536 + 192 = 1728
Step 10: 1728 + 192 = 1920
Step 11: 1920 + 192 = 2112
Step 12: 2112 + 192 = 2304
Step 13: 2304 + 192 = 2496
Step 14: 2496 + 192 = 2688
Step 15: 2688 + 192 = 2880
Step 16: 2880 + 192 = 3072
Step 17: 3072 + 192 = 3264
Step 18: 3264 + 192 = 3456
Step 19: 3456 + 192 = 3648
Step 20: 3648 + 192 = 3840
Step 21: 3840 + 192 = 4032
Step 22: 4032 + 192 = 4224
Step 23: 4224 + 192 = 4416
Step 24: 4416 + 192 = 4608
Step 25: 4608 + 192 = 4800
Step 26: 4800 + 192 = 4992
Step 27: 4992 + 192 = 5184
Step 28: 5184 + 192 = 5376
Step 29: 5376 + 192 = 5568
Step 30: 5568 + 192 = 5760
Step 31: 5760 + 192 = 5952
Step 32: 5952 + 192 = 6144
Step 33: 6144 + 192 = 6336
Step 34: 6336 + 192 = 6528
Step 35: 6528 + 192 = 6720
Step 36: 6720 + 192 = 6912
Step 37: 6912 + 192 = 7104
Step 38: 7104 + 192 = 7296
Step 39: 7296 + 192 = 7488
Step 40: 7488 + 192 = 7680
Step 41: 7680 + 192 = 7872
Step 42: 7872 + 192 = 8064
Step 43: 8064 + 192 = 8256
Step 44: 8256 + 192 = 8448
Step 45: 8448 + 192 = 8640
Step 46: 8640 + 192 = 8832
Step 47: 8832 + 192 = 9024
Step 48: 9024 + 192 = 9216
Step 49: 9216 + 192 = 9408
Step 50: 9408 + 192 = 9600
Step 51: 9600 + 192 = 9792
Step 52: 9792 + 192 = 9984
Step 53: 9984 + 192 = 10176
Step 54: 10176 + 192 = 10368
Step 55: 10368 + 192 = 10560
Step 56: 10560 + 192 = 10752
Step 57: 10752 + 192 = 10944
Step 58: 10944 + 192 = 11136
Step 59: 11136 + 192 = 11328
Step 60: 11328 + 192 = 11520
Step 61: 11520 + 192 = 11712
Step 62: 11712 + 192 = 11904
Step 63: 11904 + 192 = 12096
Step 64: 12096 + 192 = 12288
Step 65: 12288 + 192 = 12480
Step 66: 12480 + 192 = 12672
Step 67: 12672 + 192 = 12864
Step 68: 12864 + 192 = 13056
Step 69: 13056 + 192 = 13248
Step 70: 13248 + 192 = 13440
Step 71: 13440 + 192 = 13632
Step 72: 13632 + 192 = 13824

So, 192*72 = 13824