Alright, let's solve this math problem step by step. First, we have the number 210. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 440. So, we're going to take the number 210 and add it to itself 440 times.
Step 1: 0 + 210 = 210
Step 2: 210 + 210 = 420
Step 3: 420 + 210 = 630
Step 4: 630 + 210 = 840
Step 5: 840 + 210 = 1050
Step 6: 1050 + 210 = 1260
Step 7: 1260 + 210 = 1470
Step 8: 1470 + 210 = 1680
Step 9: 1680 + 210 = 1890
Step 10: 1890 + 210 = 2100
Step 11: 2100 + 210 = 2310
Step 12: 2310 + 210 = 2520
Step 13: 2520 + 210 = 2730
Step 14: 2730 + 210 = 2940
Step 15: 2940 + 210 = 3150
Step 16: 3150 + 210 = 3360
Step 17: 3360 + 210 = 3570
Step 18: 3570 + 210 = 3780
Step 19: 3780 + 210 = 3990
Step 20: 3990 + 210 = 4200
Step 21: 4200 + 210 = 4410
Step 22: 4410 + 210 = 4620
Step 23: 4620 + 210 = 4830
Step 24: 4830 + 210 = 5040
Step 25: 5040 + 210 = 5250
Step 26: 5250 + 210 = 5460
Step 27: 5460 + 210 = 5670
Step 28: 5670 + 210 = 5880
Step 29: 5880 + 210 = 6090
Step 30: 6090 + 210 = 6300
Step 31: 6300 + 210 = 6510
Step 32: 6510 + 210 = 6720
Step 33: 6720 + 210 = 6930
Step 34: 6930 + 210 = 7140
Step 35: 7140 + 210 = 7350
Step 36: 7350 + 210 = 7560
Step 37: 7560 + 210 = 7770
Step 38: 7770 + 210 = 7980
Step 39: 7980 + 210 = 8190
Step 40: 8190 + 210 = 8400
Step 41: 8400 + 210 = 8610
Step 42: 8610 + 210 = 8820
Step 43: 8820 + 210 = 9030
Step 44: 9030 + 210 = 9240
Step 45: 9240 + 210 = 9450
Step 46: 9450 + 210 = 9660
Step 47: 9660 + 210 = 9870
Step 48: 9870 + 210 = 10080
Step 49: 10080 + 210 = 10290
Step 50: 10290 + 210 = 10500
Step 51: 10500 + 210 = 10710
Step 52: 10710 + 210 = 10920
Step 53: 10920 + 210 = 11130
Step 54: 11130 + 210 = 11340
Step 55: 11340 + 210 = 11550
Step 56: 11550 + 210 = 11760
Step 57: 11760 + 210 = 11970
Step 58: 11970 + 210 = 12180
Step 59: 12180 + 210 = 12390
Step 60: 12390 + 210 = 12600
Step 61: 12600 + 210 = 12810
Step 62: 12810 + 210 = 13020
Step 63: 13020 + 210 = 13230
Step 64: 13230 + 210 = 13440
Step 65: 13440 + 210 = 13650
Step 66: 13650 + 210 = 13860
Step 67: 13860 + 210 = 14070
Step 68: 14070 + 210 = 14280
Step 69: 14280 + 210 = 14490
Step 70: 14490 + 210 = 14700
Step 71: 14700 + 210 = 14910
Step 72: 14910 + 210 = 15120
Step 73: 15120 + 210 = 15330
Step 74: 15330 + 210 = 15540
Step 75: 15540 + 210 = 15750
Step 76: 15750 + 210 = 15960
Step 77: 15960 + 210 = 16170
Step 78: 16170 + 210 = 16380
Step 79: 16380 + 210 = 16590
Step 80: 16590 + 210 = 16800
Step 81: 16800 + 210 = 17010
Step 82: 17010 + 210 = 17220
Step 83: 17220 + 210 = 17430
Step 84: 17430 + 210 = 17640
Step 85: 17640 + 210 = 17850
Step 86: 17850 + 210 = 18060
Step 87: 18060 + 210 = 18270
Step 88: 18270 + 210 = 18480
Step 89: 18480 + 210 = 18690
Step 90: 18690 + 210 = 18900
Step 91: 18900 + 210 = 19110
Step 92: 19110 + 210 = 19320
Step 93: 19320 + 210 = 19530
Step 94: 19530 + 210 = 19740
Step 95: 19740 + 210 = 19950
Step 96: 19950 + 210 = 20160
Step 97: 20160 + 210 = 20370
Step 98: 20370 + 210 = 20580
Step 99: 20580 + 210 = 20790
Step 100: 20790 + 210 = 21000
Step 101: 21000 + 210 = 21210
Step 102: 21210 + 210 = 21420
Step 103: 21420 + 210 = 21630
Step 104: 21630 + 210 = 21840
Step 105: 21840 + 210 = 22050
Step 106: 22050 + 210 = 22260
Step 107: 22260 + 210 = 22470
Step 108: 22470 + 210 = 22680
Step 109: 22680 + 210 = 22890
Step 110: 22890 + 210 = 23100
Step 111: 23100 + 210 = 23310
Step 112: 23310 + 210 = 23520
Step 113: 23520 + 210 = 23730
Step 114: 23730 + 210 = 23940
Step 115: 23940 + 210 = 24150
Step 116: 24150 + 210 = 24360
Step 117: 24360 + 210 = 24570
Step 118: 24570 + 210 = 24780
Step 119: 24780 + 210 = 24990
Step 120: 24990 + 210 = 25200
Step 121: 25200 + 210 = 25410
Step 122: 25410 + 210 = 25620
Step 123: 25620 + 210 = 25830
Step 124: 25830 + 210 = 26040
Step 125: 26040 + 210 = 26250
Step 126: 26250 + 210 = 26460
Step 127: 26460 + 210 = 26670
Step 128: 26670 + 210 = 26880
Step 129: 26880 + 210 = 27090
Step 130: 27090 + 210 = 27300
Step 131: 27300 + 210 = 27510
Step 132: 27510 + 210 = 27720
Step 133: 27720 + 210 = 27930
Step 134: 27930 + 210 = 28140
Step 135: 28140 + 210 = 28350
Step 136: 28350 + 210 = 28560
Step 137: 28560 + 210 = 28770
Step 138: 28770 + 210 = 28980
Step 139: 28980 + 210 = 29190
Step 140: 29190 + 210 = 29400
Step 141: 29400 + 210 = 29610
Step 142: 29610 + 210 = 29820
Step 143: 29820 + 210 = 30030
Step 144: 30030 + 210 = 30240
Step 145: 30240 + 210 = 30450
Step 146: 30450 + 210 = 30660
Step 147: 30660 + 210 = 30870
Step 148: 30870 + 210 = 31080
Step 149: 31080 + 210 = 31290
Step 150: 31290 + 210 = 31500
Step 151: 31500 + 210 = 31710
Step 152: 31710 + 210 = 31920
Step 153: 31920 + 210 = 32130
Step 154: 32130 + 210 = 32340
Step 155: 32340 + 210 = 32550
Step 156: 32550 + 210 = 32760
Step 157: 32760 + 210 = 32970
Step 158: 32970 + 210 = 33180
Step 159: 33180 + 210 = 33390
Step 160: 33390 + 210 = 33600
Step 161: 33600 + 210 = 33810
Step 162: 33810 + 210 = 34020
Step 163: 34020 + 210 = 34230
Step 164: 34230 + 210 = 34440
Step 165: 34440 + 210 = 34650
Step 166: 34650 + 210 = 34860
Step 167: 34860 + 210 = 35070
Step 168: 35070 + 210 = 35280
Step 169: 35280 + 210 = 35490
Step 170: 35490 + 210 = 35700
Step 171: 35700 + 210 = 35910
Step 172: 35910 + 210 = 36120
Step 173: 36120 + 210 = 36330
Step 174: 36330 + 210 = 36540
Step 175: 36540 + 210 = 36750
Step 176: 36750 + 210 = 36960
Step 177: 36960 + 210 = 37170
Step 178: 37170 + 210 = 37380
Step 179: 37380 + 210 = 37590
Step 180: 37590 + 210 = 37800
Step 181: 37800 + 210 = 38010
Step 182: 38010 + 210 = 38220
Step 183: 38220 + 210 = 38430
Step 184: 38430 + 210 = 38640
Step 185: 38640 + 210 = 38850
Step 186: 38850 + 210 = 39060
Step 187: 39060 + 210 = 39270
Step 188: 39270 + 210 = 39480
Step 189: 39480 + 210 = 39690
Step 190: 39690 + 210 = 39900
Step 191: 39900 + 210 = 40110
Step 192: 40110 + 210 = 40320
Step 193: 40320 + 210 = 40530
Step 194: 40530 + 210 = 40740
Step 195: 40740 + 210 = 40950
Step 196: 40950 + 210 = 41160
Step 197: 41160 + 210 = 41370
Step 198: 41370 + 210 = 41580
Step 199: 41580 + 210 = 41790
Step 200: 41790 + 210 = 42000
Step 201: 42000 + 210 = 42210
Step 202: 42210 + 210 = 42420
Step 203: 42420 + 210 = 42630
Step 204: 42630 + 210 = 42840
Step 205: 42840 + 210 = 43050
Step 206: 43050 + 210 = 43260
Step 207: 43260 + 210 = 43470
Step 208: 43470 + 210 = 43680
Step 209: 43680 + 210 = 43890
Step 210: 43890 + 210 = 44100
Step 211: 44100 + 210 = 44310
Step 212: 44310 + 210 = 44520
Step 213: 44520 + 210 = 44730
Step 214: 44730 + 210 = 44940
Step 215: 44940 + 210 = 45150
Step 216: 45150 + 210 = 45360
Step 217: 45360 + 210 = 45570
Step 218: 45570 + 210 = 45780
Step 219: 45780 + 210 = 45990
Step 220: 45990 + 210 = 46200
Step 221: 46200 + 210 = 46410
Step 222: 46410 + 210 = 46620
Step 223: 46620 + 210 = 46830
Step 224: 46830 + 210 = 47040
Step 225: 47040 + 210 = 47250
Step 226: 47250 + 210 = 47460
Step 227: 47460 + 210 = 47670
Step 228: 47670 + 210 = 47880
Step 229: 47880 + 210 = 48090
Step 230: 48090 + 210 = 48300
Step 231: 48300 + 210 = 48510
Step 232: 48510 + 210 = 48720
Step 233: 48720 + 210 = 48930
Step 234: 48930 + 210 = 49140
Step 235: 49140 + 210 = 49350
Step 236: 49350 + 210 = 49560
Step 237: 49560 + 210 = 49770
Step 238: 49770 + 210 = 49980
Step 239: 49980 + 210 = 50190
Step 240: 50190 + 210 = 50400
Step 241: 50400 + 210 = 50610
Step 242: 50610 + 210 = 50820
Step 243: 50820 + 210 = 51030
Step 244: 51030 + 210 = 51240
Step 245: 51240 + 210 = 51450
Step 246: 51450 + 210 = 51660
Step 247: 51660 + 210 = 51870
Step 248: 51870 + 210 = 52080
Step 249: 52080 + 210 = 52290
Step 250: 52290 + 210 = 52500
Step 251: 52500 + 210 = 52710
Step 252: 52710 + 210 = 52920
Step 253: 52920 + 210 = 53130
Step 254: 53130 + 210 = 53340
Step 255: 53340 + 210 = 53550
Step 256: 53550 + 210 = 53760
Step 257: 53760 + 210 = 53970
Step 258: 53970 + 210 = 54180
Step 259: 54180 + 210 = 54390
Step 260: 54390 + 210 = 54600
Step 261: 54600 + 210 = 54810
Step 262: 54810 + 210 = 55020
Step 263: 55020 + 210 = 55230
Step 264: 55230 + 210 = 55440
Step 265: 55440 + 210 = 55650
Step 266: 55650 + 210 = 55860
Step 267: 55860 + 210 = 56070
Step 268: 56070 + 210 = 56280
Step 269: 56280 + 210 = 56490
Step 270: 56490 + 210 = 56700
Step 271: 56700 + 210 = 56910
Step 272: 56910 + 210 = 57120
Step 273: 57120 + 210 = 57330
Step 274: 57330 + 210 = 57540
Step 275: 57540 + 210 = 57750
Step 276: 57750 + 210 = 57960
Step 277: 57960 + 210 = 58170
Step 278: 58170 + 210 = 58380
Step 279: 58380 + 210 = 58590
Step 280: 58590 + 210 = 58800
Step 281: 58800 + 210 = 59010
Step 282: 59010 + 210 = 59220
Step 283: 59220 + 210 = 59430
Step 284: 59430 + 210 = 59640
Step 285: 59640 + 210 = 59850
Step 286: 59850 + 210 = 60060
Step 287: 60060 + 210 = 60270
Step 288: 60270 + 210 = 60480
Step 289: 60480 + 210 = 60690
Step 290: 60690 + 210 = 60900
Step 291: 60900 + 210 = 61110
Step 292: 61110 + 210 = 61320
Step 293: 61320 + 210 = 61530
Step 294: 61530 + 210 = 61740
Step 295: 61740 + 210 = 61950
Step 296: 61950 + 210 = 62160
Step 297: 62160 + 210 = 62370
Step 298: 62370 + 210 = 62580
Step 299: 62580 + 210 = 62790
Step 300: 62790 + 210 = 63000
Step 301: 63000 + 210 = 63210
Step 302: 63210 + 210 = 63420
Step 303: 63420 + 210 = 63630
Step 304: 63630 + 210 = 63840
Step 305: 63840 + 210 = 64050
Step 306: 64050 + 210 = 64260
Step 307: 64260 + 210 = 64470
Step 308: 64470 + 210 = 64680
Step 309: 64680 + 210 = 64890
Step 310: 64890 + 210 = 65100
Step 311: 65100 + 210 = 65310
Step 312: 65310 + 210 = 65520
Step 313: 65520 + 210 = 65730
Step 314: 65730 + 210 = 65940
Step 315: 65940 + 210 = 66150
Step 316: 66150 + 210 = 66360
Step 317: 66360 + 210 = 66570
Step 318: 66570 + 210 = 66780
Step 319: 66780 + 210 = 66990
Step 320: 66990 + 210 = 67200
Step 321: 67200 + 210 = 67410
Step 322: 67410 + 210 = 67620
Step 323: 67620 + 210 = 67830
Step 324: 67830 + 210 = 68040
Step 325: 68040 + 210 = 68250
Step 326: 68250 + 210 = 68460
Step 327: 68460 + 210 = 68670
Step 328: 68670 + 210 = 68880
Step 329: 68880 + 210 = 69090
Step 330: 69090 + 210 = 69300
Step 331: 69300 + 210 = 69510
Step 332: 69510 + 210 = 69720
Step 333: 69720 + 210 = 69930
Step 334: 69930 + 210 = 70140
Step 335: 70140 + 210 = 70350
Step 336: 70350 + 210 = 70560
Step 337: 70560 + 210 = 70770
Step 338: 70770 + 210 = 70980
Step 339: 70980 + 210 = 71190
Step 340: 71190 + 210 = 71400
Step 341: 71400 + 210 = 71610
Step 342: 71610 + 210 = 71820
Step 343: 71820 + 210 = 72030
Step 344: 72030 + 210 = 72240
Step 345: 72240 + 210 = 72450
Step 346: 72450 + 210 = 72660
Step 347: 72660 + 210 = 72870
Step 348: 72870 + 210 = 73080
Step 349: 73080 + 210 = 73290
Step 350: 73290 + 210 = 73500
Step 351: 73500 + 210 = 73710
Step 352: 73710 + 210 = 73920
Step 353: 73920 + 210 = 74130
Step 354: 74130 + 210 = 74340
Step 355: 74340 + 210 = 74550
Step 356: 74550 + 210 = 74760
Step 357: 74760 + 210 = 74970
Step 358: 74970 + 210 = 75180
Step 359: 75180 + 210 = 75390
Step 360: 75390 + 210 = 75600
Step 361: 75600 + 210 = 75810
Step 362: 75810 + 210 = 76020
Step 363: 76020 + 210 = 76230
Step 364: 76230 + 210 = 76440
Step 365: 76440 + 210 = 76650
Step 366: 76650 + 210 = 76860
Step 367: 76860 + 210 = 77070
Step 368: 77070 + 210 = 77280
Step 369: 77280 + 210 = 77490
Step 370: 77490 + 210 = 77700
Step 371: 77700 + 210 = 77910
Step 372: 77910 + 210 = 78120
Step 373: 78120 + 210 = 78330
Step 374: 78330 + 210 = 78540
Step 375: 78540 + 210 = 78750
Step 376: 78750 + 210 = 78960
Step 377: 78960 + 210 = 79170
Step 378: 79170 + 210 = 79380
Step 379: 79380 + 210 = 79590
Step 380: 79590 + 210 = 79800
Step 381: 79800 + 210 = 80010
Step 382: 80010 + 210 = 80220
Step 383: 80220 + 210 = 80430
Step 384: 80430 + 210 = 80640
Step 385: 80640 + 210 = 80850
Step 386: 80850 + 210 = 81060
Step 387: 81060 + 210 = 81270
Step 388: 81270 + 210 = 81480
Step 389: 81480 + 210 = 81690
Step 390: 81690 + 210 = 81900
Step 391: 81900 + 210 = 82110
Step 392: 82110 + 210 = 82320
Step 393: 82320 + 210 = 82530
Step 394: 82530 + 210 = 82740
Step 395: 82740 + 210 = 82950
Step 396: 82950 + 210 = 83160
Step 397: 83160 + 210 = 83370
Step 398: 83370 + 210 = 83580
Step 399: 83580 + 210 = 83790
Step 400: 83790 + 210 = 84000
Step 401: 84000 + 210 = 84210
Step 402: 84210 + 210 = 84420
Step 403: 84420 + 210 = 84630
Step 404: 84630 + 210 = 84840
Step 405: 84840 + 210 = 85050
Step 406: 85050 + 210 = 85260
Step 407: 85260 + 210 = 85470
Step 408: 85470 + 210 = 85680
Step 409: 85680 + 210 = 85890
Step 410: 85890 + 210 = 86100
Step 411: 86100 + 210 = 86310
Step 412: 86310 + 210 = 86520
Step 413: 86520 + 210 = 86730
Step 414: 86730 + 210 = 86940
Step 415: 86940 + 210 = 87150
Step 416: 87150 + 210 = 87360
Step 417: 87360 + 210 = 87570
Step 418: 87570 + 210 = 87780
Step 419: 87780 + 210 = 87990
Step 420: 87990 + 210 = 88200
Step 421: 88200 + 210 = 88410
Step 422: 88410 + 210 = 88620
Step 423: 88620 + 210 = 88830
Step 424: 88830 + 210 = 89040
Step 425: 89040 + 210 = 89250
Step 426: 89250 + 210 = 89460
Step 427: 89460 + 210 = 89670
Step 428: 89670 + 210 = 89880
Step 429: 89880 + 210 = 90090
Step 430: 90090 + 210 = 90300
Step 431: 90300 + 210 = 90510
Step 432: 90510 + 210 = 90720
Step 433: 90720 + 210 = 90930
Step 434: 90930 + 210 = 91140
Step 435: 91140 + 210 = 91350
Step 436: 91350 + 210 = 91560
Step 437: 91560 + 210 = 91770
Step 438: 91770 + 210 = 91980
Step 439: 91980 + 210 = 92190
Step 440: 92190 + 210 = 92400

So, 210*440 = 92400