Let's get this math done. We have 175 and we're going to multiply it by 138. This is the same as taking 175 and adding it to itself 138 times.
Step 1: 0 + 175 = 175
Step 2: 175 + 175 = 350
Step 3: 350 + 175 = 525
Step 4: 525 + 175 = 700
Step 5: 700 + 175 = 875
Step 6: 875 + 175 = 1050
Step 7: 1050 + 175 = 1225
Step 8: 1225 + 175 = 1400
Step 9: 1400 + 175 = 1575
Step 10: 1575 + 175 = 1750
Step 11: 1750 + 175 = 1925
Step 12: 1925 + 175 = 2100
Step 13: 2100 + 175 = 2275
Step 14: 2275 + 175 = 2450
Step 15: 2450 + 175 = 2625
Step 16: 2625 + 175 = 2800
Step 17: 2800 + 175 = 2975
Step 18: 2975 + 175 = 3150
Step 19: 3150 + 175 = 3325
Step 20: 3325 + 175 = 3500
Step 21: 3500 + 175 = 3675
Step 22: 3675 + 175 = 3850
Step 23: 3850 + 175 = 4025
Step 24: 4025 + 175 = 4200
Step 25: 4200 + 175 = 4375
Step 26: 4375 + 175 = 4550
Step 27: 4550 + 175 = 4725
Step 28: 4725 + 175 = 4900
Step 29: 4900 + 175 = 5075
Step 30: 5075 + 175 = 5250
Step 31: 5250 + 175 = 5425
Step 32: 5425 + 175 = 5600
Step 33: 5600 + 175 = 5775
Step 34: 5775 + 175 = 5950
Step 35: 5950 + 175 = 6125
Step 36: 6125 + 175 = 6300
Step 37: 6300 + 175 = 6475
Step 38: 6475 + 175 = 6650
Step 39: 6650 + 175 = 6825
Step 40: 6825 + 175 = 7000
Step 41: 7000 + 175 = 7175
Step 42: 7175 + 175 = 7350
Step 43: 7350 + 175 = 7525
Step 44: 7525 + 175 = 7700
Step 45: 7700 + 175 = 7875
Step 46: 7875 + 175 = 8050
Step 47: 8050 + 175 = 8225
Step 48: 8225 + 175 = 8400
Step 49: 8400 + 175 = 8575
Step 50: 8575 + 175 = 8750
Step 51: 8750 + 175 = 8925
Step 52: 8925 + 175 = 9100
Step 53: 9100 + 175 = 9275
Step 54: 9275 + 175 = 9450
Step 55: 9450 + 175 = 9625
Step 56: 9625 + 175 = 9800
Step 57: 9800 + 175 = 9975
Step 58: 9975 + 175 = 10150
Step 59: 10150 + 175 = 10325
Step 60: 10325 + 175 = 10500
Step 61: 10500 + 175 = 10675
Step 62: 10675 + 175 = 10850
Step 63: 10850 + 175 = 11025
Step 64: 11025 + 175 = 11200
Step 65: 11200 + 175 = 11375
Step 66: 11375 + 175 = 11550
Step 67: 11550 + 175 = 11725
Step 68: 11725 + 175 = 11900
Step 69: 11900 + 175 = 12075
Step 70: 12075 + 175 = 12250
Step 71: 12250 + 175 = 12425
Step 72: 12425 + 175 = 12600
Step 73: 12600 + 175 = 12775
Step 74: 12775 + 175 = 12950
Step 75: 12950 + 175 = 13125
Step 76: 13125 + 175 = 13300
Step 77: 13300 + 175 = 13475
Step 78: 13475 + 175 = 13650
Step 79: 13650 + 175 = 13825
Step 80: 13825 + 175 = 14000
Step 81: 14000 + 175 = 14175
Step 82: 14175 + 175 = 14350
Step 83: 14350 + 175 = 14525
Step 84: 14525 + 175 = 14700
Step 85: 14700 + 175 = 14875
Step 86: 14875 + 175 = 15050
Step 87: 15050 + 175 = 15225
Step 88: 15225 + 175 = 15400
Step 89: 15400 + 175 = 15575
Step 90: 15575 + 175 = 15750
Step 91: 15750 + 175 = 15925
Step 92: 15925 + 175 = 16100
Step 93: 16100 + 175 = 16275
Step 94: 16275 + 175 = 16450
Step 95: 16450 + 175 = 16625
Step 96: 16625 + 175 = 16800
Step 97: 16800 + 175 = 16975
Step 98: 16975 + 175 = 17150
Step 99: 17150 + 175 = 17325
Step 100: 17325 + 175 = 17500
Step 101: 17500 + 175 = 17675
Step 102: 17675 + 175 = 17850
Step 103: 17850 + 175 = 18025
Step 104: 18025 + 175 = 18200
Step 105: 18200 + 175 = 18375
Step 106: 18375 + 175 = 18550
Step 107: 18550 + 175 = 18725
Step 108: 18725 + 175 = 18900
Step 109: 18900 + 175 = 19075
Step 110: 19075 + 175 = 19250
Step 111: 19250 + 175 = 19425
Step 112: 19425 + 175 = 19600
Step 113: 19600 + 175 = 19775
Step 114: 19775 + 175 = 19950
Step 115: 19950 + 175 = 20125
Step 116: 20125 + 175 = 20300
Step 117: 20300 + 175 = 20475
Step 118: 20475 + 175 = 20650
Step 119: 20650 + 175 = 20825
Step 120: 20825 + 175 = 21000
Step 121: 21000 + 175 = 21175
Step 122: 21175 + 175 = 21350
Step 123: 21350 + 175 = 21525
Step 124: 21525 + 175 = 21700
Step 125: 21700 + 175 = 21875
Step 126: 21875 + 175 = 22050
Step 127: 22050 + 175 = 22225
Step 128: 22225 + 175 = 22400
Step 129: 22400 + 175 = 22575
Step 130: 22575 + 175 = 22750
Step 131: 22750 + 175 = 22925
Step 132: 22925 + 175 = 23100
Step 133: 23100 + 175 = 23275
Step 134: 23275 + 175 = 23450
Step 135: 23450 + 175 = 23625
Step 136: 23625 + 175 = 23800
Step 137: 23800 + 175 = 23975
Step 138: 23975 + 175 = 24150

So, 175*138 = 24150