Alright, let's solve this math problem step by step. First, we have the number 690. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 447. So, we're going to take the number 690 and add it to itself 447 times.
Step 1: 0 + 690 = 690
Step 2: 690 + 690 = 1380
Step 3: 1380 + 690 = 2070
Step 4: 2070 + 690 = 2760
Step 5: 2760 + 690 = 3450
Step 6: 3450 + 690 = 4140
Step 7: 4140 + 690 = 4830
Step 8: 4830 + 690 = 5520
Step 9: 5520 + 690 = 6210
Step 10: 6210 + 690 = 6900
Step 11: 6900 + 690 = 7590
Step 12: 7590 + 690 = 8280
Step 13: 8280 + 690 = 8970
Step 14: 8970 + 690 = 9660
Step 15: 9660 + 690 = 10350
Step 16: 10350 + 690 = 11040
Step 17: 11040 + 690 = 11730
Step 18: 11730 + 690 = 12420
Step 19: 12420 + 690 = 13110
Step 20: 13110 + 690 = 13800
Step 21: 13800 + 690 = 14490
Step 22: 14490 + 690 = 15180
Step 23: 15180 + 690 = 15870
Step 24: 15870 + 690 = 16560
Step 25: 16560 + 690 = 17250
Step 26: 17250 + 690 = 17940
Step 27: 17940 + 690 = 18630
Step 28: 18630 + 690 = 19320
Step 29: 19320 + 690 = 20010
Step 30: 20010 + 690 = 20700
Step 31: 20700 + 690 = 21390
Step 32: 21390 + 690 = 22080
Step 33: 22080 + 690 = 22770
Step 34: 22770 + 690 = 23460
Step 35: 23460 + 690 = 24150
Step 36: 24150 + 690 = 24840
Step 37: 24840 + 690 = 25530
Step 38: 25530 + 690 = 26220
Step 39: 26220 + 690 = 26910
Step 40: 26910 + 690 = 27600
Step 41: 27600 + 690 = 28290
Step 42: 28290 + 690 = 28980
Step 43: 28980 + 690 = 29670
Step 44: 29670 + 690 = 30360
Step 45: 30360 + 690 = 31050
Step 46: 31050 + 690 = 31740
Step 47: 31740 + 690 = 32430
Step 48: 32430 + 690 = 33120
Step 49: 33120 + 690 = 33810
Step 50: 33810 + 690 = 34500
Step 51: 34500 + 690 = 35190
Step 52: 35190 + 690 = 35880
Step 53: 35880 + 690 = 36570
Step 54: 36570 + 690 = 37260
Step 55: 37260 + 690 = 37950
Step 56: 37950 + 690 = 38640
Step 57: 38640 + 690 = 39330
Step 58: 39330 + 690 = 40020
Step 59: 40020 + 690 = 40710
Step 60: 40710 + 690 = 41400
Step 61: 41400 + 690 = 42090
Step 62: 42090 + 690 = 42780
Step 63: 42780 + 690 = 43470
Step 64: 43470 + 690 = 44160
Step 65: 44160 + 690 = 44850
Step 66: 44850 + 690 = 45540
Step 67: 45540 + 690 = 46230
Step 68: 46230 + 690 = 46920
Step 69: 46920 + 690 = 47610
Step 70: 47610 + 690 = 48300
Step 71: 48300 + 690 = 48990
Step 72: 48990 + 690 = 49680
Step 73: 49680 + 690 = 50370
Step 74: 50370 + 690 = 51060
Step 75: 51060 + 690 = 51750
Step 76: 51750 + 690 = 52440
Step 77: 52440 + 690 = 53130
Step 78: 53130 + 690 = 53820
Step 79: 53820 + 690 = 54510
Step 80: 54510 + 690 = 55200
Step 81: 55200 + 690 = 55890
Step 82: 55890 + 690 = 56580
Step 83: 56580 + 690 = 57270
Step 84: 57270 + 690 = 57960
Step 85: 57960 + 690 = 58650
Step 86: 58650 + 690 = 59340
Step 87: 59340 + 690 = 60030
Step 88: 60030 + 690 = 60720
Step 89: 60720 + 690 = 61410
Step 90: 61410 + 690 = 62100
Step 91: 62100 + 690 = 62790
Step 92: 62790 + 690 = 63480
Step 93: 63480 + 690 = 64170
Step 94: 64170 + 690 = 64860
Step 95: 64860 + 690 = 65550
Step 96: 65550 + 690 = 66240
Step 97: 66240 + 690 = 66930
Step 98: 66930 + 690 = 67620
Step 99: 67620 + 690 = 68310
Step 100: 68310 + 690 = 69000
Step 101: 69000 + 690 = 69690
Step 102: 69690 + 690 = 70380
Step 103: 70380 + 690 = 71070
Step 104: 71070 + 690 = 71760
Step 105: 71760 + 690 = 72450
Step 106: 72450 + 690 = 73140
Step 107: 73140 + 690 = 73830
Step 108: 73830 + 690 = 74520
Step 109: 74520 + 690 = 75210
Step 110: 75210 + 690 = 75900
Step 111: 75900 + 690 = 76590
Step 112: 76590 + 690 = 77280
Step 113: 77280 + 690 = 77970
Step 114: 77970 + 690 = 78660
Step 115: 78660 + 690 = 79350
Step 116: 79350 + 690 = 80040
Step 117: 80040 + 690 = 80730
Step 118: 80730 + 690 = 81420
Step 119: 81420 + 690 = 82110
Step 120: 82110 + 690 = 82800
Step 121: 82800 + 690 = 83490
Step 122: 83490 + 690 = 84180
Step 123: 84180 + 690 = 84870
Step 124: 84870 + 690 = 85560
Step 125: 85560 + 690 = 86250
Step 126: 86250 + 690 = 86940
Step 127: 86940 + 690 = 87630
Step 128: 87630 + 690 = 88320
Step 129: 88320 + 690 = 89010
Step 130: 89010 + 690 = 89700
Step 131: 89700 + 690 = 90390
Step 132: 90390 + 690 = 91080
Step 133: 91080 + 690 = 91770
Step 134: 91770 + 690 = 92460
Step 135: 92460 + 690 = 93150
Step 136: 93150 + 690 = 93840
Step 137: 93840 + 690 = 94530
Step 138: 94530 + 690 = 95220
Step 139: 95220 + 690 = 95910
Step 140: 95910 + 690 = 96600
Step 141: 96600 + 690 = 97290
Step 142: 97290 + 690 = 97980
Step 143: 97980 + 690 = 98670
Step 144: 98670 + 690 = 99360
Step 145: 99360 + 690 = 100050
Step 146: 100050 + 690 = 100740
Step 147: 100740 + 690 = 101430
Step 148: 101430 + 690 = 102120
Step 149: 102120 + 690 = 102810
Step 150: 102810 + 690 = 103500
Step 151: 103500 + 690 = 104190
Step 152: 104190 + 690 = 104880
Step 153: 104880 + 690 = 105570
Step 154: 105570 + 690 = 106260
Step 155: 106260 + 690 = 106950
Step 156: 106950 + 690 = 107640
Step 157: 107640 + 690 = 108330
Step 158: 108330 + 690 = 109020
Step 159: 109020 + 690 = 109710
Step 160: 109710 + 690 = 110400
Step 161: 110400 + 690 = 111090
Step 162: 111090 + 690 = 111780
Step 163: 111780 + 690 = 112470
Step 164: 112470 + 690 = 113160
Step 165: 113160 + 690 = 113850
Step 166: 113850 + 690 = 114540
Step 167: 114540 + 690 = 115230
Step 168: 115230 + 690 = 115920
Step 169: 115920 + 690 = 116610
Step 170: 116610 + 690 = 117300
Step 171: 117300 + 690 = 117990
Step 172: 117990 + 690 = 118680
Step 173: 118680 + 690 = 119370
Step 174: 119370 + 690 = 120060
Step 175: 120060 + 690 = 120750
Step 176: 120750 + 690 = 121440
Step 177: 121440 + 690 = 122130
Step 178: 122130 + 690 = 122820
Step 179: 122820 + 690 = 123510
Step 180: 123510 + 690 = 124200
Step 181: 124200 + 690 = 124890
Step 182: 124890 + 690 = 125580
Step 183: 125580 + 690 = 126270
Step 184: 126270 + 690 = 126960
Step 185: 126960 + 690 = 127650
Step 186: 127650 + 690 = 128340
Step 187: 128340 + 690 = 129030
Step 188: 129030 + 690 = 129720
Step 189: 129720 + 690 = 130410
Step 190: 130410 + 690 = 131100
Step 191: 131100 + 690 = 131790
Step 192: 131790 + 690 = 132480
Step 193: 132480 + 690 = 133170
Step 194: 133170 + 690 = 133860
Step 195: 133860 + 690 = 134550
Step 196: 134550 + 690 = 135240
Step 197: 135240 + 690 = 135930
Step 198: 135930 + 690 = 136620
Step 199: 136620 + 690 = 137310
Step 200: 137310 + 690 = 138000
Step 201: 138000 + 690 = 138690
Step 202: 138690 + 690 = 139380
Step 203: 139380 + 690 = 140070
Step 204: 140070 + 690 = 140760
Step 205: 140760 + 690 = 141450
Step 206: 141450 + 690 = 142140
Step 207: 142140 + 690 = 142830
Step 208: 142830 + 690 = 143520
Step 209: 143520 + 690 = 144210
Step 210: 144210 + 690 = 144900
Step 211: 144900 + 690 = 145590
Step 212: 145590 + 690 = 146280
Step 213: 146280 + 690 = 146970
Step 214: 146970 + 690 = 147660
Step 215: 147660 + 690 = 148350
Step 216: 148350 + 690 = 149040
Step 217: 149040 + 690 = 149730
Step 218: 149730 + 690 = 150420
Step 219: 150420 + 690 = 151110
Step 220: 151110 + 690 = 151800
Step 221: 151800 + 690 = 152490
Step 222: 152490 + 690 = 153180
Step 223: 153180 + 690 = 153870
Step 224: 153870 + 690 = 154560
Step 225: 154560 + 690 = 155250
Step 226: 155250 + 690 = 155940
Step 227: 155940 + 690 = 156630
Step 228: 156630 + 690 = 157320
Step 229: 157320 + 690 = 158010
Step 230: 158010 + 690 = 158700
Step 231: 158700 + 690 = 159390
Step 232: 159390 + 690 = 160080
Step 233: 160080 + 690 = 160770
Step 234: 160770 + 690 = 161460
Step 235: 161460 + 690 = 162150
Step 236: 162150 + 690 = 162840
Step 237: 162840 + 690 = 163530
Step 238: 163530 + 690 = 164220
Step 239: 164220 + 690 = 164910
Step 240: 164910 + 690 = 165600
Step 241: 165600 + 690 = 166290
Step 242: 166290 + 690 = 166980
Step 243: 166980 + 690 = 167670
Step 244: 167670 + 690 = 168360
Step 245: 168360 + 690 = 169050
Step 246: 169050 + 690 = 169740
Step 247: 169740 + 690 = 170430
Step 248: 170430 + 690 = 171120
Step 249: 171120 + 690 = 171810
Step 250: 171810 + 690 = 172500
Step 251: 172500 + 690 = 173190
Step 252: 173190 + 690 = 173880
Step 253: 173880 + 690 = 174570
Step 254: 174570 + 690 = 175260
Step 255: 175260 + 690 = 175950
Step 256: 175950 + 690 = 176640
Step 257: 176640 + 690 = 177330
Step 258: 177330 + 690 = 178020
Step 259: 178020 + 690 = 178710
Step 260: 178710 + 690 = 179400
Step 261: 179400 + 690 = 180090
Step 262: 180090 + 690 = 180780
Step 263: 180780 + 690 = 181470
Step 264: 181470 + 690 = 182160
Step 265: 182160 + 690 = 182850
Step 266: 182850 + 690 = 183540
Step 267: 183540 + 690 = 184230
Step 268: 184230 + 690 = 184920
Step 269: 184920 + 690 = 185610
Step 270: 185610 + 690 = 186300
Step 271: 186300 + 690 = 186990
Step 272: 186990 + 690 = 187680
Step 273: 187680 + 690 = 188370
Step 274: 188370 + 690 = 189060
Step 275: 189060 + 690 = 189750
Step 276: 189750 + 690 = 190440
Step 277: 190440 + 690 = 191130
Step 278: 191130 + 690 = 191820
Step 279: 191820 + 690 = 192510
Step 280: 192510 + 690 = 193200
Step 281: 193200 + 690 = 193890
Step 282: 193890 + 690 = 194580
Step 283: 194580 + 690 = 195270
Step 284: 195270 + 690 = 195960
Step 285: 195960 + 690 = 196650
Step 286: 196650 + 690 = 197340
Step 287: 197340 + 690 = 198030
Step 288: 198030 + 690 = 198720
Step 289: 198720 + 690 = 199410
Step 290: 199410 + 690 = 200100
Step 291: 200100 + 690 = 200790
Step 292: 200790 + 690 = 201480
Step 293: 201480 + 690 = 202170
Step 294: 202170 + 690 = 202860
Step 295: 202860 + 690 = 203550
Step 296: 203550 + 690 = 204240
Step 297: 204240 + 690 = 204930
Step 298: 204930 + 690 = 205620
Step 299: 205620 + 690 = 206310
Step 300: 206310 + 690 = 207000
Step 301: 207000 + 690 = 207690
Step 302: 207690 + 690 = 208380
Step 303: 208380 + 690 = 209070
Step 304: 209070 + 690 = 209760
Step 305: 209760 + 690 = 210450
Step 306: 210450 + 690 = 211140
Step 307: 211140 + 690 = 211830
Step 308: 211830 + 690 = 212520
Step 309: 212520 + 690 = 213210
Step 310: 213210 + 690 = 213900
Step 311: 213900 + 690 = 214590
Step 312: 214590 + 690 = 215280
Step 313: 215280 + 690 = 215970
Step 314: 215970 + 690 = 216660
Step 315: 216660 + 690 = 217350
Step 316: 217350 + 690 = 218040
Step 317: 218040 + 690 = 218730
Step 318: 218730 + 690 = 219420
Step 319: 219420 + 690 = 220110
Step 320: 220110 + 690 = 220800
Step 321: 220800 + 690 = 221490
Step 322: 221490 + 690 = 222180
Step 323: 222180 + 690 = 222870
Step 324: 222870 + 690 = 223560
Step 325: 223560 + 690 = 224250
Step 326: 224250 + 690 = 224940
Step 327: 224940 + 690 = 225630
Step 328: 225630 + 690 = 226320
Step 329: 226320 + 690 = 227010
Step 330: 227010 + 690 = 227700
Step 331: 227700 + 690 = 228390
Step 332: 228390 + 690 = 229080
Step 333: 229080 + 690 = 229770
Step 334: 229770 + 690 = 230460
Step 335: 230460 + 690 = 231150
Step 336: 231150 + 690 = 231840
Step 337: 231840 + 690 = 232530
Step 338: 232530 + 690 = 233220
Step 339: 233220 + 690 = 233910
Step 340: 233910 + 690 = 234600
Step 341: 234600 + 690 = 235290
Step 342: 235290 + 690 = 235980
Step 343: 235980 + 690 = 236670
Step 344: 236670 + 690 = 237360
Step 345: 237360 + 690 = 238050
Step 346: 238050 + 690 = 238740
Step 347: 238740 + 690 = 239430
Step 348: 239430 + 690 = 240120
Step 349: 240120 + 690 = 240810
Step 350: 240810 + 690 = 241500
Step 351: 241500 + 690 = 242190
Step 352: 242190 + 690 = 242880
Step 353: 242880 + 690 = 243570
Step 354: 243570 + 690 = 244260
Step 355: 244260 + 690 = 244950
Step 356: 244950 + 690 = 245640
Step 357: 245640 + 690 = 246330
Step 358: 246330 + 690 = 247020
Step 359: 247020 + 690 = 247710
Step 360: 247710 + 690 = 248400
Step 361: 248400 + 690 = 249090
Step 362: 249090 + 690 = 249780
Step 363: 249780 + 690 = 250470
Step 364: 250470 + 690 = 251160
Step 365: 251160 + 690 = 251850
Step 366: 251850 + 690 = 252540
Step 367: 252540 + 690 = 253230
Step 368: 253230 + 690 = 253920
Step 369: 253920 + 690 = 254610
Step 370: 254610 + 690 = 255300
Step 371: 255300 + 690 = 255990
Step 372: 255990 + 690 = 256680
Step 373: 256680 + 690 = 257370
Step 374: 257370 + 690 = 258060
Step 375: 258060 + 690 = 258750
Step 376: 258750 + 690 = 259440
Step 377: 259440 + 690 = 260130
Step 378: 260130 + 690 = 260820
Step 379: 260820 + 690 = 261510
Step 380: 261510 + 690 = 262200
Step 381: 262200 + 690 = 262890
Step 382: 262890 + 690 = 263580
Step 383: 263580 + 690 = 264270
Step 384: 264270 + 690 = 264960
Step 385: 264960 + 690 = 265650
Step 386: 265650 + 690 = 266340
Step 387: 266340 + 690 = 267030
Step 388: 267030 + 690 = 267720
Step 389: 267720 + 690 = 268410
Step 390: 268410 + 690 = 269100
Step 391: 269100 + 690 = 269790
Step 392: 269790 + 690 = 270480
Step 393: 270480 + 690 = 271170
Step 394: 271170 + 690 = 271860
Step 395: 271860 + 690 = 272550
Step 396: 272550 + 690 = 273240
Step 397: 273240 + 690 = 273930
Step 398: 273930 + 690 = 274620
Step 399: 274620 + 690 = 275310
Step 400: 275310 + 690 = 276000
Step 401: 276000 + 690 = 276690
Step 402: 276690 + 690 = 277380
Step 403: 277380 + 690 = 278070
Step 404: 278070 + 690 = 278760
Step 405: 278760 + 690 = 279450
Step 406: 279450 + 690 = 280140
Step 407: 280140 + 690 = 280830
Step 408: 280830 + 690 = 281520
Step 409: 281520 + 690 = 282210
Step 410: 282210 + 690 = 282900
Step 411: 282900 + 690 = 283590
Step 412: 283590 + 690 = 284280
Step 413: 284280 + 690 = 284970
Step 414: 284970 + 690 = 285660
Step 415: 285660 + 690 = 286350
Step 416: 286350 + 690 = 287040
Step 417: 287040 + 690 = 287730
Step 418: 287730 + 690 = 288420
Step 419: 288420 + 690 = 289110
Step 420: 289110 + 690 = 289800
Step 421: 289800 + 690 = 290490
Step 422: 290490 + 690 = 291180
Step 423: 291180 + 690 = 291870
Step 424: 291870 + 690 = 292560
Step 425: 292560 + 690 = 293250
Step 426: 293250 + 690 = 293940
Step 427: 293940 + 690 = 294630
Step 428: 294630 + 690 = 295320
Step 429: 295320 + 690 = 296010
Step 430: 296010 + 690 = 296700
Step 431: 296700 + 690 = 297390
Step 432: 297390 + 690 = 298080
Step 433: 298080 + 690 = 298770
Step 434: 298770 + 690 = 299460
Step 435: 299460 + 690 = 300150
Step 436: 300150 + 690 = 300840
Step 437: 300840 + 690 = 301530
Step 438: 301530 + 690 = 302220
Step 439: 302220 + 690 = 302910
Step 440: 302910 + 690 = 303600
Step 441: 303600 + 690 = 304290
Step 442: 304290 + 690 = 304980
Step 443: 304980 + 690 = 305670
Step 444: 305670 + 690 = 306360
Step 445: 306360 + 690 = 307050
Step 446: 307050 + 690 = 307740
Step 447: 307740 + 690 = 308430

So, 690*447 = 308430