Let's roll up our sleeves and solve this. We have 375 and we're going to multiply it by 200, essentially adding 375 to itself 200 times.
Step 1: 0 + 375 = 375
Step 2: 375 + 375 = 750
Step 3: 750 + 375 = 1125
Step 4: 1125 + 375 = 1500
Step 5: 1500 + 375 = 1875
Step 6: 1875 + 375 = 2250
Step 7: 2250 + 375 = 2625
Step 8: 2625 + 375 = 3000
Step 9: 3000 + 375 = 3375
Step 10: 3375 + 375 = 3750
Step 11: 3750 + 375 = 4125
Step 12: 4125 + 375 = 4500
Step 13: 4500 + 375 = 4875
Step 14: 4875 + 375 = 5250
Step 15: 5250 + 375 = 5625
Step 16: 5625 + 375 = 6000
Step 17: 6000 + 375 = 6375
Step 18: 6375 + 375 = 6750
Step 19: 6750 + 375 = 7125
Step 20: 7125 + 375 = 7500
Step 21: 7500 + 375 = 7875
Step 22: 7875 + 375 = 8250
Step 23: 8250 + 375 = 8625
Step 24: 8625 + 375 = 9000
Step 25: 9000 + 375 = 9375
Step 26: 9375 + 375 = 9750
Step 27: 9750 + 375 = 10125
Step 28: 10125 + 375 = 10500
Step 29: 10500 + 375 = 10875
Step 30: 10875 + 375 = 11250
Step 31: 11250 + 375 = 11625
Step 32: 11625 + 375 = 12000
Step 33: 12000 + 375 = 12375
Step 34: 12375 + 375 = 12750
Step 35: 12750 + 375 = 13125
Step 36: 13125 + 375 = 13500
Step 37: 13500 + 375 = 13875
Step 38: 13875 + 375 = 14250
Step 39: 14250 + 375 = 14625
Step 40: 14625 + 375 = 15000
Step 41: 15000 + 375 = 15375
Step 42: 15375 + 375 = 15750
Step 43: 15750 + 375 = 16125
Step 44: 16125 + 375 = 16500
Step 45: 16500 + 375 = 16875
Step 46: 16875 + 375 = 17250
Step 47: 17250 + 375 = 17625
Step 48: 17625 + 375 = 18000
Step 49: 18000 + 375 = 18375
Step 50: 18375 + 375 = 18750
Step 51: 18750 + 375 = 19125
Step 52: 19125 + 375 = 19500
Step 53: 19500 + 375 = 19875
Step 54: 19875 + 375 = 20250
Step 55: 20250 + 375 = 20625
Step 56: 20625 + 375 = 21000
Step 57: 21000 + 375 = 21375
Step 58: 21375 + 375 = 21750
Step 59: 21750 + 375 = 22125
Step 60: 22125 + 375 = 22500
Step 61: 22500 + 375 = 22875
Step 62: 22875 + 375 = 23250
Step 63: 23250 + 375 = 23625
Step 64: 23625 + 375 = 24000
Step 65: 24000 + 375 = 24375
Step 66: 24375 + 375 = 24750
Step 67: 24750 + 375 = 25125
Step 68: 25125 + 375 = 25500
Step 69: 25500 + 375 = 25875
Step 70: 25875 + 375 = 26250
Step 71: 26250 + 375 = 26625
Step 72: 26625 + 375 = 27000
Step 73: 27000 + 375 = 27375
Step 74: 27375 + 375 = 27750
Step 75: 27750 + 375 = 28125
Step 76: 28125 + 375 = 28500
Step 77: 28500 + 375 = 28875
Step 78: 28875 + 375 = 29250
Step 79: 29250 + 375 = 29625
Step 80: 29625 + 375 = 30000
Step 81: 30000 + 375 = 30375
Step 82: 30375 + 375 = 30750
Step 83: 30750 + 375 = 31125
Step 84: 31125 + 375 = 31500
Step 85: 31500 + 375 = 31875
Step 86: 31875 + 375 = 32250
Step 87: 32250 + 375 = 32625
Step 88: 32625 + 375 = 33000
Step 89: 33000 + 375 = 33375
Step 90: 33375 + 375 = 33750
Step 91: 33750 + 375 = 34125
Step 92: 34125 + 375 = 34500
Step 93: 34500 + 375 = 34875
Step 94: 34875 + 375 = 35250
Step 95: 35250 + 375 = 35625
Step 96: 35625 + 375 = 36000
Step 97: 36000 + 375 = 36375
Step 98: 36375 + 375 = 36750
Step 99: 36750 + 375 = 37125
Step 100: 37125 + 375 = 37500
Step 101: 37500 + 375 = 37875
Step 102: 37875 + 375 = 38250
Step 103: 38250 + 375 = 38625
Step 104: 38625 + 375 = 39000
Step 105: 39000 + 375 = 39375
Step 106: 39375 + 375 = 39750
Step 107: 39750 + 375 = 40125
Step 108: 40125 + 375 = 40500
Step 109: 40500 + 375 = 40875
Step 110: 40875 + 375 = 41250
Step 111: 41250 + 375 = 41625
Step 112: 41625 + 375 = 42000
Step 113: 42000 + 375 = 42375
Step 114: 42375 + 375 = 42750
Step 115: 42750 + 375 = 43125
Step 116: 43125 + 375 = 43500
Step 117: 43500 + 375 = 43875
Step 118: 43875 + 375 = 44250
Step 119: 44250 + 375 = 44625
Step 120: 44625 + 375 = 45000
Step 121: 45000 + 375 = 45375
Step 122: 45375 + 375 = 45750
Step 123: 45750 + 375 = 46125
Step 124: 46125 + 375 = 46500
Step 125: 46500 + 375 = 46875
Step 126: 46875 + 375 = 47250
Step 127: 47250 + 375 = 47625
Step 128: 47625 + 375 = 48000
Step 129: 48000 + 375 = 48375
Step 130: 48375 + 375 = 48750
Step 131: 48750 + 375 = 49125
Step 132: 49125 + 375 = 49500
Step 133: 49500 + 375 = 49875
Step 134: 49875 + 375 = 50250
Step 135: 50250 + 375 = 50625
Step 136: 50625 + 375 = 51000
Step 137: 51000 + 375 = 51375
Step 138: 51375 + 375 = 51750
Step 139: 51750 + 375 = 52125
Step 140: 52125 + 375 = 52500
Step 141: 52500 + 375 = 52875
Step 142: 52875 + 375 = 53250
Step 143: 53250 + 375 = 53625
Step 144: 53625 + 375 = 54000
Step 145: 54000 + 375 = 54375
Step 146: 54375 + 375 = 54750
Step 147: 54750 + 375 = 55125
Step 148: 55125 + 375 = 55500
Step 149: 55500 + 375 = 55875
Step 150: 55875 + 375 = 56250
Step 151: 56250 + 375 = 56625
Step 152: 56625 + 375 = 57000
Step 153: 57000 + 375 = 57375
Step 154: 57375 + 375 = 57750
Step 155: 57750 + 375 = 58125
Step 156: 58125 + 375 = 58500
Step 157: 58500 + 375 = 58875
Step 158: 58875 + 375 = 59250
Step 159: 59250 + 375 = 59625
Step 160: 59625 + 375 = 60000
Step 161: 60000 + 375 = 60375
Step 162: 60375 + 375 = 60750
Step 163: 60750 + 375 = 61125
Step 164: 61125 + 375 = 61500
Step 165: 61500 + 375 = 61875
Step 166: 61875 + 375 = 62250
Step 167: 62250 + 375 = 62625
Step 168: 62625 + 375 = 63000
Step 169: 63000 + 375 = 63375
Step 170: 63375 + 375 = 63750
Step 171: 63750 + 375 = 64125
Step 172: 64125 + 375 = 64500
Step 173: 64500 + 375 = 64875
Step 174: 64875 + 375 = 65250
Step 175: 65250 + 375 = 65625
Step 176: 65625 + 375 = 66000
Step 177: 66000 + 375 = 66375
Step 178: 66375 + 375 = 66750
Step 179: 66750 + 375 = 67125
Step 180: 67125 + 375 = 67500
Step 181: 67500 + 375 = 67875
Step 182: 67875 + 375 = 68250
Step 183: 68250 + 375 = 68625
Step 184: 68625 + 375 = 69000
Step 185: 69000 + 375 = 69375
Step 186: 69375 + 375 = 69750
Step 187: 69750 + 375 = 70125
Step 188: 70125 + 375 = 70500
Step 189: 70500 + 375 = 70875
Step 190: 70875 + 375 = 71250
Step 191: 71250 + 375 = 71625
Step 192: 71625 + 375 = 72000
Step 193: 72000 + 375 = 72375
Step 194: 72375 + 375 = 72750
Step 195: 72750 + 375 = 73125
Step 196: 73125 + 375 = 73500
Step 197: 73500 + 375 = 73875
Step 198: 73875 + 375 = 74250
Step 199: 74250 + 375 = 74625
Step 200: 74625 + 375 = 75000

So, 375*200 = 75000