OK, let's crack this. We're given 375 and our task is to multiply it by 453. Essentially, we'll be adding 375 to itself 453 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
Step 201: 75000 + 375 = 75375
Step 202: 75375 + 375 = 75750
Step 203: 75750 + 375 = 76125
Step 204: 76125 + 375 = 76500
Step 205: 76500 + 375 = 76875
Step 206: 76875 + 375 = 77250
Step 207: 77250 + 375 = 77625
Step 208: 77625 + 375 = 78000
Step 209: 78000 + 375 = 78375
Step 210: 78375 + 375 = 78750
Step 211: 78750 + 375 = 79125
Step 212: 79125 + 375 = 79500
Step 213: 79500 + 375 = 79875
Step 214: 79875 + 375 = 80250
Step 215: 80250 + 375 = 80625
Step 216: 80625 + 375 = 81000
Step 217: 81000 + 375 = 81375
Step 218: 81375 + 375 = 81750
Step 219: 81750 + 375 = 82125
Step 220: 82125 + 375 = 82500
Step 221: 82500 + 375 = 82875
Step 222: 82875 + 375 = 83250
Step 223: 83250 + 375 = 83625
Step 224: 83625 + 375 = 84000
Step 225: 84000 + 375 = 84375
Step 226: 84375 + 375 = 84750
Step 227: 84750 + 375 = 85125
Step 228: 85125 + 375 = 85500
Step 229: 85500 + 375 = 85875
Step 230: 85875 + 375 = 86250
Step 231: 86250 + 375 = 86625
Step 232: 86625 + 375 = 87000
Step 233: 87000 + 375 = 87375
Step 234: 87375 + 375 = 87750
Step 235: 87750 + 375 = 88125
Step 236: 88125 + 375 = 88500
Step 237: 88500 + 375 = 88875
Step 238: 88875 + 375 = 89250
Step 239: 89250 + 375 = 89625
Step 240: 89625 + 375 = 90000
Step 241: 90000 + 375 = 90375
Step 242: 90375 + 375 = 90750
Step 243: 90750 + 375 = 91125
Step 244: 91125 + 375 = 91500
Step 245: 91500 + 375 = 91875
Step 246: 91875 + 375 = 92250
Step 247: 92250 + 375 = 92625
Step 248: 92625 + 375 = 93000
Step 249: 93000 + 375 = 93375
Step 250: 93375 + 375 = 93750
Step 251: 93750 + 375 = 94125
Step 252: 94125 + 375 = 94500
Step 253: 94500 + 375 = 94875
Step 254: 94875 + 375 = 95250
Step 255: 95250 + 375 = 95625
Step 256: 95625 + 375 = 96000
Step 257: 96000 + 375 = 96375
Step 258: 96375 + 375 = 96750
Step 259: 96750 + 375 = 97125
Step 260: 97125 + 375 = 97500
Step 261: 97500 + 375 = 97875
Step 262: 97875 + 375 = 98250
Step 263: 98250 + 375 = 98625
Step 264: 98625 + 375 = 99000
Step 265: 99000 + 375 = 99375
Step 266: 99375 + 375 = 99750
Step 267: 99750 + 375 = 100125
Step 268: 100125 + 375 = 100500
Step 269: 100500 + 375 = 100875
Step 270: 100875 + 375 = 101250
Step 271: 101250 + 375 = 101625
Step 272: 101625 + 375 = 102000
Step 273: 102000 + 375 = 102375
Step 274: 102375 + 375 = 102750
Step 275: 102750 + 375 = 103125
Step 276: 103125 + 375 = 103500
Step 277: 103500 + 375 = 103875
Step 278: 103875 + 375 = 104250
Step 279: 104250 + 375 = 104625
Step 280: 104625 + 375 = 105000
Step 281: 105000 + 375 = 105375
Step 282: 105375 + 375 = 105750
Step 283: 105750 + 375 = 106125
Step 284: 106125 + 375 = 106500
Step 285: 106500 + 375 = 106875
Step 286: 106875 + 375 = 107250
Step 287: 107250 + 375 = 107625
Step 288: 107625 + 375 = 108000
Step 289: 108000 + 375 = 108375
Step 290: 108375 + 375 = 108750
Step 291: 108750 + 375 = 109125
Step 292: 109125 + 375 = 109500
Step 293: 109500 + 375 = 109875
Step 294: 109875 + 375 = 110250
Step 295: 110250 + 375 = 110625
Step 296: 110625 + 375 = 111000
Step 297: 111000 + 375 = 111375
Step 298: 111375 + 375 = 111750
Step 299: 111750 + 375 = 112125
Step 300: 112125 + 375 = 112500
Step 301: 112500 + 375 = 112875
Step 302: 112875 + 375 = 113250
Step 303: 113250 + 375 = 113625
Step 304: 113625 + 375 = 114000
Step 305: 114000 + 375 = 114375
Step 306: 114375 + 375 = 114750
Step 307: 114750 + 375 = 115125
Step 308: 115125 + 375 = 115500
Step 309: 115500 + 375 = 115875
Step 310: 115875 + 375 = 116250
Step 311: 116250 + 375 = 116625
Step 312: 116625 + 375 = 117000
Step 313: 117000 + 375 = 117375
Step 314: 117375 + 375 = 117750
Step 315: 117750 + 375 = 118125
Step 316: 118125 + 375 = 118500
Step 317: 118500 + 375 = 118875
Step 318: 118875 + 375 = 119250
Step 319: 119250 + 375 = 119625
Step 320: 119625 + 375 = 120000
Step 321: 120000 + 375 = 120375
Step 322: 120375 + 375 = 120750
Step 323: 120750 + 375 = 121125
Step 324: 121125 + 375 = 121500
Step 325: 121500 + 375 = 121875
Step 326: 121875 + 375 = 122250
Step 327: 122250 + 375 = 122625
Step 328: 122625 + 375 = 123000
Step 329: 123000 + 375 = 123375
Step 330: 123375 + 375 = 123750
Step 331: 123750 + 375 = 124125
Step 332: 124125 + 375 = 124500
Step 333: 124500 + 375 = 124875
Step 334: 124875 + 375 = 125250
Step 335: 125250 + 375 = 125625
Step 336: 125625 + 375 = 126000
Step 337: 126000 + 375 = 126375
Step 338: 126375 + 375 = 126750
Step 339: 126750 + 375 = 127125
Step 340: 127125 + 375 = 127500
Step 341: 127500 + 375 = 127875
Step 342: 127875 + 375 = 128250
Step 343: 128250 + 375 = 128625
Step 344: 128625 + 375 = 129000
Step 345: 129000 + 375 = 129375
Step 346: 129375 + 375 = 129750
Step 347: 129750 + 375 = 130125
Step 348: 130125 + 375 = 130500
Step 349: 130500 + 375 = 130875
Step 350: 130875 + 375 = 131250
Step 351: 131250 + 375 = 131625
Step 352: 131625 + 375 = 132000
Step 353: 132000 + 375 = 132375
Step 354: 132375 + 375 = 132750
Step 355: 132750 + 375 = 133125
Step 356: 133125 + 375 = 133500
Step 357: 133500 + 375 = 133875
Step 358: 133875 + 375 = 134250
Step 359: 134250 + 375 = 134625
Step 360: 134625 + 375 = 135000
Step 361: 135000 + 375 = 135375
Step 362: 135375 + 375 = 135750
Step 363: 135750 + 375 = 136125
Step 364: 136125 + 375 = 136500
Step 365: 136500 + 375 = 136875
Step 366: 136875 + 375 = 137250
Step 367: 137250 + 375 = 137625
Step 368: 137625 + 375 = 138000
Step 369: 138000 + 375 = 138375
Step 370: 138375 + 375 = 138750
Step 371: 138750 + 375 = 139125
Step 372: 139125 + 375 = 139500
Step 373: 139500 + 375 = 139875
Step 374: 139875 + 375 = 140250
Step 375: 140250 + 375 = 140625
Step 376: 140625 + 375 = 141000
Step 377: 141000 + 375 = 141375
Step 378: 141375 + 375 = 141750
Step 379: 141750 + 375 = 142125
Step 380: 142125 + 375 = 142500
Step 381: 142500 + 375 = 142875
Step 382: 142875 + 375 = 143250
Step 383: 143250 + 375 = 143625
Step 384: 143625 + 375 = 144000
Step 385: 144000 + 375 = 144375
Step 386: 144375 + 375 = 144750
Step 387: 144750 + 375 = 145125
Step 388: 145125 + 375 = 145500
Step 389: 145500 + 375 = 145875
Step 390: 145875 + 375 = 146250
Step 391: 146250 + 375 = 146625
Step 392: 146625 + 375 = 147000
Step 393: 147000 + 375 = 147375
Step 394: 147375 + 375 = 147750
Step 395: 147750 + 375 = 148125
Step 396: 148125 + 375 = 148500
Step 397: 148500 + 375 = 148875
Step 398: 148875 + 375 = 149250
Step 399: 149250 + 375 = 149625
Step 400: 149625 + 375 = 150000
Step 401: 150000 + 375 = 150375
Step 402: 150375 + 375 = 150750
Step 403: 150750 + 375 = 151125
Step 404: 151125 + 375 = 151500
Step 405: 151500 + 375 = 151875
Step 406: 151875 + 375 = 152250
Step 407: 152250 + 375 = 152625
Step 408: 152625 + 375 = 153000
Step 409: 153000 + 375 = 153375
Step 410: 153375 + 375 = 153750
Step 411: 153750 + 375 = 154125
Step 412: 154125 + 375 = 154500
Step 413: 154500 + 375 = 154875
Step 414: 154875 + 375 = 155250
Step 415: 155250 + 375 = 155625
Step 416: 155625 + 375 = 156000
Step 417: 156000 + 375 = 156375
Step 418: 156375 + 375 = 156750
Step 419: 156750 + 375 = 157125
Step 420: 157125 + 375 = 157500
Step 421: 157500 + 375 = 157875
Step 422: 157875 + 375 = 158250
Step 423: 158250 + 375 = 158625
Step 424: 158625 + 375 = 159000
Step 425: 159000 + 375 = 159375
Step 426: 159375 + 375 = 159750
Step 427: 159750 + 375 = 160125
Step 428: 160125 + 375 = 160500
Step 429: 160500 + 375 = 160875
Step 430: 160875 + 375 = 161250
Step 431: 161250 + 375 = 161625
Step 432: 161625 + 375 = 162000
Step 433: 162000 + 375 = 162375
Step 434: 162375 + 375 = 162750
Step 435: 162750 + 375 = 163125
Step 436: 163125 + 375 = 163500
Step 437: 163500 + 375 = 163875
Step 438: 163875 + 375 = 164250
Step 439: 164250 + 375 = 164625
Step 440: 164625 + 375 = 165000
Step 441: 165000 + 375 = 165375
Step 442: 165375 + 375 = 165750
Step 443: 165750 + 375 = 166125
Step 444: 166125 + 375 = 166500
Step 445: 166500 + 375 = 166875
Step 446: 166875 + 375 = 167250
Step 447: 167250 + 375 = 167625
Step 448: 167625 + 375 = 168000
Step 449: 168000 + 375 = 168375
Step 450: 168375 + 375 = 168750
Step 451: 168750 + 375 = 169125
Step 452: 169125 + 375 = 169500
Step 453: 169500 + 375 = 169875

So, 375*453 = 169875