Alright, let's solve this math problem step by step. First, we have the number 450. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 438. So, we're going to take the number 450 and add it to itself 438 times.
Step 1: 0 + 450 = 450
Step 2: 450 + 450 = 900
Step 3: 900 + 450 = 1350
Step 4: 1350 + 450 = 1800
Step 5: 1800 + 450 = 2250
Step 6: 2250 + 450 = 2700
Step 7: 2700 + 450 = 3150
Step 8: 3150 + 450 = 3600
Step 9: 3600 + 450 = 4050
Step 10: 4050 + 450 = 4500
Step 11: 4500 + 450 = 4950
Step 12: 4950 + 450 = 5400
Step 13: 5400 + 450 = 5850
Step 14: 5850 + 450 = 6300
Step 15: 6300 + 450 = 6750
Step 16: 6750 + 450 = 7200
Step 17: 7200 + 450 = 7650
Step 18: 7650 + 450 = 8100
Step 19: 8100 + 450 = 8550
Step 20: 8550 + 450 = 9000
Step 21: 9000 + 450 = 9450
Step 22: 9450 + 450 = 9900
Step 23: 9900 + 450 = 10350
Step 24: 10350 + 450 = 10800
Step 25: 10800 + 450 = 11250
Step 26: 11250 + 450 = 11700
Step 27: 11700 + 450 = 12150
Step 28: 12150 + 450 = 12600
Step 29: 12600 + 450 = 13050
Step 30: 13050 + 450 = 13500
Step 31: 13500 + 450 = 13950
Step 32: 13950 + 450 = 14400
Step 33: 14400 + 450 = 14850
Step 34: 14850 + 450 = 15300
Step 35: 15300 + 450 = 15750
Step 36: 15750 + 450 = 16200
Step 37: 16200 + 450 = 16650
Step 38: 16650 + 450 = 17100
Step 39: 17100 + 450 = 17550
Step 40: 17550 + 450 = 18000
Step 41: 18000 + 450 = 18450
Step 42: 18450 + 450 = 18900
Step 43: 18900 + 450 = 19350
Step 44: 19350 + 450 = 19800
Step 45: 19800 + 450 = 20250
Step 46: 20250 + 450 = 20700
Step 47: 20700 + 450 = 21150
Step 48: 21150 + 450 = 21600
Step 49: 21600 + 450 = 22050
Step 50: 22050 + 450 = 22500
Step 51: 22500 + 450 = 22950
Step 52: 22950 + 450 = 23400
Step 53: 23400 + 450 = 23850
Step 54: 23850 + 450 = 24300
Step 55: 24300 + 450 = 24750
Step 56: 24750 + 450 = 25200
Step 57: 25200 + 450 = 25650
Step 58: 25650 + 450 = 26100
Step 59: 26100 + 450 = 26550
Step 60: 26550 + 450 = 27000
Step 61: 27000 + 450 = 27450
Step 62: 27450 + 450 = 27900
Step 63: 27900 + 450 = 28350
Step 64: 28350 + 450 = 28800
Step 65: 28800 + 450 = 29250
Step 66: 29250 + 450 = 29700
Step 67: 29700 + 450 = 30150
Step 68: 30150 + 450 = 30600
Step 69: 30600 + 450 = 31050
Step 70: 31050 + 450 = 31500
Step 71: 31500 + 450 = 31950
Step 72: 31950 + 450 = 32400
Step 73: 32400 + 450 = 32850
Step 74: 32850 + 450 = 33300
Step 75: 33300 + 450 = 33750
Step 76: 33750 + 450 = 34200
Step 77: 34200 + 450 = 34650
Step 78: 34650 + 450 = 35100
Step 79: 35100 + 450 = 35550
Step 80: 35550 + 450 = 36000
Step 81: 36000 + 450 = 36450
Step 82: 36450 + 450 = 36900
Step 83: 36900 + 450 = 37350
Step 84: 37350 + 450 = 37800
Step 85: 37800 + 450 = 38250
Step 86: 38250 + 450 = 38700
Step 87: 38700 + 450 = 39150
Step 88: 39150 + 450 = 39600
Step 89: 39600 + 450 = 40050
Step 90: 40050 + 450 = 40500
Step 91: 40500 + 450 = 40950
Step 92: 40950 + 450 = 41400
Step 93: 41400 + 450 = 41850
Step 94: 41850 + 450 = 42300
Step 95: 42300 + 450 = 42750
Step 96: 42750 + 450 = 43200
Step 97: 43200 + 450 = 43650
Step 98: 43650 + 450 = 44100
Step 99: 44100 + 450 = 44550
Step 100: 44550 + 450 = 45000
Step 101: 45000 + 450 = 45450
Step 102: 45450 + 450 = 45900
Step 103: 45900 + 450 = 46350
Step 104: 46350 + 450 = 46800
Step 105: 46800 + 450 = 47250
Step 106: 47250 + 450 = 47700
Step 107: 47700 + 450 = 48150
Step 108: 48150 + 450 = 48600
Step 109: 48600 + 450 = 49050
Step 110: 49050 + 450 = 49500
Step 111: 49500 + 450 = 49950
Step 112: 49950 + 450 = 50400
Step 113: 50400 + 450 = 50850
Step 114: 50850 + 450 = 51300
Step 115: 51300 + 450 = 51750
Step 116: 51750 + 450 = 52200
Step 117: 52200 + 450 = 52650
Step 118: 52650 + 450 = 53100
Step 119: 53100 + 450 = 53550
Step 120: 53550 + 450 = 54000
Step 121: 54000 + 450 = 54450
Step 122: 54450 + 450 = 54900
Step 123: 54900 + 450 = 55350
Step 124: 55350 + 450 = 55800
Step 125: 55800 + 450 = 56250
Step 126: 56250 + 450 = 56700
Step 127: 56700 + 450 = 57150
Step 128: 57150 + 450 = 57600
Step 129: 57600 + 450 = 58050
Step 130: 58050 + 450 = 58500
Step 131: 58500 + 450 = 58950
Step 132: 58950 + 450 = 59400
Step 133: 59400 + 450 = 59850
Step 134: 59850 + 450 = 60300
Step 135: 60300 + 450 = 60750
Step 136: 60750 + 450 = 61200
Step 137: 61200 + 450 = 61650
Step 138: 61650 + 450 = 62100
Step 139: 62100 + 450 = 62550
Step 140: 62550 + 450 = 63000
Step 141: 63000 + 450 = 63450
Step 142: 63450 + 450 = 63900
Step 143: 63900 + 450 = 64350
Step 144: 64350 + 450 = 64800
Step 145: 64800 + 450 = 65250
Step 146: 65250 + 450 = 65700
Step 147: 65700 + 450 = 66150
Step 148: 66150 + 450 = 66600
Step 149: 66600 + 450 = 67050
Step 150: 67050 + 450 = 67500
Step 151: 67500 + 450 = 67950
Step 152: 67950 + 450 = 68400
Step 153: 68400 + 450 = 68850
Step 154: 68850 + 450 = 69300
Step 155: 69300 + 450 = 69750
Step 156: 69750 + 450 = 70200
Step 157: 70200 + 450 = 70650
Step 158: 70650 + 450 = 71100
Step 159: 71100 + 450 = 71550
Step 160: 71550 + 450 = 72000
Step 161: 72000 + 450 = 72450
Step 162: 72450 + 450 = 72900
Step 163: 72900 + 450 = 73350
Step 164: 73350 + 450 = 73800
Step 165: 73800 + 450 = 74250
Step 166: 74250 + 450 = 74700
Step 167: 74700 + 450 = 75150
Step 168: 75150 + 450 = 75600
Step 169: 75600 + 450 = 76050
Step 170: 76050 + 450 = 76500
Step 171: 76500 + 450 = 76950
Step 172: 76950 + 450 = 77400
Step 173: 77400 + 450 = 77850
Step 174: 77850 + 450 = 78300
Step 175: 78300 + 450 = 78750
Step 176: 78750 + 450 = 79200
Step 177: 79200 + 450 = 79650
Step 178: 79650 + 450 = 80100
Step 179: 80100 + 450 = 80550
Step 180: 80550 + 450 = 81000
Step 181: 81000 + 450 = 81450
Step 182: 81450 + 450 = 81900
Step 183: 81900 + 450 = 82350
Step 184: 82350 + 450 = 82800
Step 185: 82800 + 450 = 83250
Step 186: 83250 + 450 = 83700
Step 187: 83700 + 450 = 84150
Step 188: 84150 + 450 = 84600
Step 189: 84600 + 450 = 85050
Step 190: 85050 + 450 = 85500
Step 191: 85500 + 450 = 85950
Step 192: 85950 + 450 = 86400
Step 193: 86400 + 450 = 86850
Step 194: 86850 + 450 = 87300
Step 195: 87300 + 450 = 87750
Step 196: 87750 + 450 = 88200
Step 197: 88200 + 450 = 88650
Step 198: 88650 + 450 = 89100
Step 199: 89100 + 450 = 89550
Step 200: 89550 + 450 = 90000
Step 201: 90000 + 450 = 90450
Step 202: 90450 + 450 = 90900
Step 203: 90900 + 450 = 91350
Step 204: 91350 + 450 = 91800
Step 205: 91800 + 450 = 92250
Step 206: 92250 + 450 = 92700
Step 207: 92700 + 450 = 93150
Step 208: 93150 + 450 = 93600
Step 209: 93600 + 450 = 94050
Step 210: 94050 + 450 = 94500
Step 211: 94500 + 450 = 94950
Step 212: 94950 + 450 = 95400
Step 213: 95400 + 450 = 95850
Step 214: 95850 + 450 = 96300
Step 215: 96300 + 450 = 96750
Step 216: 96750 + 450 = 97200
Step 217: 97200 + 450 = 97650
Step 218: 97650 + 450 = 98100
Step 219: 98100 + 450 = 98550
Step 220: 98550 + 450 = 99000
Step 221: 99000 + 450 = 99450
Step 222: 99450 + 450 = 99900
Step 223: 99900 + 450 = 100350
Step 224: 100350 + 450 = 100800
Step 225: 100800 + 450 = 101250
Step 226: 101250 + 450 = 101700
Step 227: 101700 + 450 = 102150
Step 228: 102150 + 450 = 102600
Step 229: 102600 + 450 = 103050
Step 230: 103050 + 450 = 103500
Step 231: 103500 + 450 = 103950
Step 232: 103950 + 450 = 104400
Step 233: 104400 + 450 = 104850
Step 234: 104850 + 450 = 105300
Step 235: 105300 + 450 = 105750
Step 236: 105750 + 450 = 106200
Step 237: 106200 + 450 = 106650
Step 238: 106650 + 450 = 107100
Step 239: 107100 + 450 = 107550
Step 240: 107550 + 450 = 108000
Step 241: 108000 + 450 = 108450
Step 242: 108450 + 450 = 108900
Step 243: 108900 + 450 = 109350
Step 244: 109350 + 450 = 109800
Step 245: 109800 + 450 = 110250
Step 246: 110250 + 450 = 110700
Step 247: 110700 + 450 = 111150
Step 248: 111150 + 450 = 111600
Step 249: 111600 + 450 = 112050
Step 250: 112050 + 450 = 112500
Step 251: 112500 + 450 = 112950
Step 252: 112950 + 450 = 113400
Step 253: 113400 + 450 = 113850
Step 254: 113850 + 450 = 114300
Step 255: 114300 + 450 = 114750
Step 256: 114750 + 450 = 115200
Step 257: 115200 + 450 = 115650
Step 258: 115650 + 450 = 116100
Step 259: 116100 + 450 = 116550
Step 260: 116550 + 450 = 117000
Step 261: 117000 + 450 = 117450
Step 262: 117450 + 450 = 117900
Step 263: 117900 + 450 = 118350
Step 264: 118350 + 450 = 118800
Step 265: 118800 + 450 = 119250
Step 266: 119250 + 450 = 119700
Step 267: 119700 + 450 = 120150
Step 268: 120150 + 450 = 120600
Step 269: 120600 + 450 = 121050
Step 270: 121050 + 450 = 121500
Step 271: 121500 + 450 = 121950
Step 272: 121950 + 450 = 122400
Step 273: 122400 + 450 = 122850
Step 274: 122850 + 450 = 123300
Step 275: 123300 + 450 = 123750
Step 276: 123750 + 450 = 124200
Step 277: 124200 + 450 = 124650
Step 278: 124650 + 450 = 125100
Step 279: 125100 + 450 = 125550
Step 280: 125550 + 450 = 126000
Step 281: 126000 + 450 = 126450
Step 282: 126450 + 450 = 126900
Step 283: 126900 + 450 = 127350
Step 284: 127350 + 450 = 127800
Step 285: 127800 + 450 = 128250
Step 286: 128250 + 450 = 128700
Step 287: 128700 + 450 = 129150
Step 288: 129150 + 450 = 129600
Step 289: 129600 + 450 = 130050
Step 290: 130050 + 450 = 130500
Step 291: 130500 + 450 = 130950
Step 292: 130950 + 450 = 131400
Step 293: 131400 + 450 = 131850
Step 294: 131850 + 450 = 132300
Step 295: 132300 + 450 = 132750
Step 296: 132750 + 450 = 133200
Step 297: 133200 + 450 = 133650
Step 298: 133650 + 450 = 134100
Step 299: 134100 + 450 = 134550
Step 300: 134550 + 450 = 135000
Step 301: 135000 + 450 = 135450
Step 302: 135450 + 450 = 135900
Step 303: 135900 + 450 = 136350
Step 304: 136350 + 450 = 136800
Step 305: 136800 + 450 = 137250
Step 306: 137250 + 450 = 137700
Step 307: 137700 + 450 = 138150
Step 308: 138150 + 450 = 138600
Step 309: 138600 + 450 = 139050
Step 310: 139050 + 450 = 139500
Step 311: 139500 + 450 = 139950
Step 312: 139950 + 450 = 140400
Step 313: 140400 + 450 = 140850
Step 314: 140850 + 450 = 141300
Step 315: 141300 + 450 = 141750
Step 316: 141750 + 450 = 142200
Step 317: 142200 + 450 = 142650
Step 318: 142650 + 450 = 143100
Step 319: 143100 + 450 = 143550
Step 320: 143550 + 450 = 144000
Step 321: 144000 + 450 = 144450
Step 322: 144450 + 450 = 144900
Step 323: 144900 + 450 = 145350
Step 324: 145350 + 450 = 145800
Step 325: 145800 + 450 = 146250
Step 326: 146250 + 450 = 146700
Step 327: 146700 + 450 = 147150
Step 328: 147150 + 450 = 147600
Step 329: 147600 + 450 = 148050
Step 330: 148050 + 450 = 148500
Step 331: 148500 + 450 = 148950
Step 332: 148950 + 450 = 149400
Step 333: 149400 + 450 = 149850
Step 334: 149850 + 450 = 150300
Step 335: 150300 + 450 = 150750
Step 336: 150750 + 450 = 151200
Step 337: 151200 + 450 = 151650
Step 338: 151650 + 450 = 152100
Step 339: 152100 + 450 = 152550
Step 340: 152550 + 450 = 153000
Step 341: 153000 + 450 = 153450
Step 342: 153450 + 450 = 153900
Step 343: 153900 + 450 = 154350
Step 344: 154350 + 450 = 154800
Step 345: 154800 + 450 = 155250
Step 346: 155250 + 450 = 155700
Step 347: 155700 + 450 = 156150
Step 348: 156150 + 450 = 156600
Step 349: 156600 + 450 = 157050
Step 350: 157050 + 450 = 157500
Step 351: 157500 + 450 = 157950
Step 352: 157950 + 450 = 158400
Step 353: 158400 + 450 = 158850
Step 354: 158850 + 450 = 159300
Step 355: 159300 + 450 = 159750
Step 356: 159750 + 450 = 160200
Step 357: 160200 + 450 = 160650
Step 358: 160650 + 450 = 161100
Step 359: 161100 + 450 = 161550
Step 360: 161550 + 450 = 162000
Step 361: 162000 + 450 = 162450
Step 362: 162450 + 450 = 162900
Step 363: 162900 + 450 = 163350
Step 364: 163350 + 450 = 163800
Step 365: 163800 + 450 = 164250
Step 366: 164250 + 450 = 164700
Step 367: 164700 + 450 = 165150
Step 368: 165150 + 450 = 165600
Step 369: 165600 + 450 = 166050
Step 370: 166050 + 450 = 166500
Step 371: 166500 + 450 = 166950
Step 372: 166950 + 450 = 167400
Step 373: 167400 + 450 = 167850
Step 374: 167850 + 450 = 168300
Step 375: 168300 + 450 = 168750
Step 376: 168750 + 450 = 169200
Step 377: 169200 + 450 = 169650
Step 378: 169650 + 450 = 170100
Step 379: 170100 + 450 = 170550
Step 380: 170550 + 450 = 171000
Step 381: 171000 + 450 = 171450
Step 382: 171450 + 450 = 171900
Step 383: 171900 + 450 = 172350
Step 384: 172350 + 450 = 172800
Step 385: 172800 + 450 = 173250
Step 386: 173250 + 450 = 173700
Step 387: 173700 + 450 = 174150
Step 388: 174150 + 450 = 174600
Step 389: 174600 + 450 = 175050
Step 390: 175050 + 450 = 175500
Step 391: 175500 + 450 = 175950
Step 392: 175950 + 450 = 176400
Step 393: 176400 + 450 = 176850
Step 394: 176850 + 450 = 177300
Step 395: 177300 + 450 = 177750
Step 396: 177750 + 450 = 178200
Step 397: 178200 + 450 = 178650
Step 398: 178650 + 450 = 179100
Step 399: 179100 + 450 = 179550
Step 400: 179550 + 450 = 180000
Step 401: 180000 + 450 = 180450
Step 402: 180450 + 450 = 180900
Step 403: 180900 + 450 = 181350
Step 404: 181350 + 450 = 181800
Step 405: 181800 + 450 = 182250
Step 406: 182250 + 450 = 182700
Step 407: 182700 + 450 = 183150
Step 408: 183150 + 450 = 183600
Step 409: 183600 + 450 = 184050
Step 410: 184050 + 450 = 184500
Step 411: 184500 + 450 = 184950
Step 412: 184950 + 450 = 185400
Step 413: 185400 + 450 = 185850
Step 414: 185850 + 450 = 186300
Step 415: 186300 + 450 = 186750
Step 416: 186750 + 450 = 187200
Step 417: 187200 + 450 = 187650
Step 418: 187650 + 450 = 188100
Step 419: 188100 + 450 = 188550
Step 420: 188550 + 450 = 189000
Step 421: 189000 + 450 = 189450
Step 422: 189450 + 450 = 189900
Step 423: 189900 + 450 = 190350
Step 424: 190350 + 450 = 190800
Step 425: 190800 + 450 = 191250
Step 426: 191250 + 450 = 191700
Step 427: 191700 + 450 = 192150
Step 428: 192150 + 450 = 192600
Step 429: 192600 + 450 = 193050
Step 430: 193050 + 450 = 193500
Step 431: 193500 + 450 = 193950
Step 432: 193950 + 450 = 194400
Step 433: 194400 + 450 = 194850
Step 434: 194850 + 450 = 195300
Step 435: 195300 + 450 = 195750
Step 436: 195750 + 450 = 196200
Step 437: 196200 + 450 = 196650
Step 438: 196650 + 450 = 197100

So, 450*438 = 197100