Alright, let's solve this math problem step by step. First, we have the number 656. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 423. So, we're going to take the number 656 and add it to itself 423 times.
Step 1: 0 + 656 = 656
Step 2: 656 + 656 = 1312
Step 3: 1312 + 656 = 1968
Step 4: 1968 + 656 = 2624
Step 5: 2624 + 656 = 3280
Step 6: 3280 + 656 = 3936
Step 7: 3936 + 656 = 4592
Step 8: 4592 + 656 = 5248
Step 9: 5248 + 656 = 5904
Step 10: 5904 + 656 = 6560
Step 11: 6560 + 656 = 7216
Step 12: 7216 + 656 = 7872
Step 13: 7872 + 656 = 8528
Step 14: 8528 + 656 = 9184
Step 15: 9184 + 656 = 9840
Step 16: 9840 + 656 = 10496
Step 17: 10496 + 656 = 11152
Step 18: 11152 + 656 = 11808
Step 19: 11808 + 656 = 12464
Step 20: 12464 + 656 = 13120
Step 21: 13120 + 656 = 13776
Step 22: 13776 + 656 = 14432
Step 23: 14432 + 656 = 15088
Step 24: 15088 + 656 = 15744
Step 25: 15744 + 656 = 16400
Step 26: 16400 + 656 = 17056
Step 27: 17056 + 656 = 17712
Step 28: 17712 + 656 = 18368
Step 29: 18368 + 656 = 19024
Step 30: 19024 + 656 = 19680
Step 31: 19680 + 656 = 20336
Step 32: 20336 + 656 = 20992
Step 33: 20992 + 656 = 21648
Step 34: 21648 + 656 = 22304
Step 35: 22304 + 656 = 22960
Step 36: 22960 + 656 = 23616
Step 37: 23616 + 656 = 24272
Step 38: 24272 + 656 = 24928
Step 39: 24928 + 656 = 25584
Step 40: 25584 + 656 = 26240
Step 41: 26240 + 656 = 26896
Step 42: 26896 + 656 = 27552
Step 43: 27552 + 656 = 28208
Step 44: 28208 + 656 = 28864
Step 45: 28864 + 656 = 29520
Step 46: 29520 + 656 = 30176
Step 47: 30176 + 656 = 30832
Step 48: 30832 + 656 = 31488
Step 49: 31488 + 656 = 32144
Step 50: 32144 + 656 = 32800
Step 51: 32800 + 656 = 33456
Step 52: 33456 + 656 = 34112
Step 53: 34112 + 656 = 34768
Step 54: 34768 + 656 = 35424
Step 55: 35424 + 656 = 36080
Step 56: 36080 + 656 = 36736
Step 57: 36736 + 656 = 37392
Step 58: 37392 + 656 = 38048
Step 59: 38048 + 656 = 38704
Step 60: 38704 + 656 = 39360
Step 61: 39360 + 656 = 40016
Step 62: 40016 + 656 = 40672
Step 63: 40672 + 656 = 41328
Step 64: 41328 + 656 = 41984
Step 65: 41984 + 656 = 42640
Step 66: 42640 + 656 = 43296
Step 67: 43296 + 656 = 43952
Step 68: 43952 + 656 = 44608
Step 69: 44608 + 656 = 45264
Step 70: 45264 + 656 = 45920
Step 71: 45920 + 656 = 46576
Step 72: 46576 + 656 = 47232
Step 73: 47232 + 656 = 47888
Step 74: 47888 + 656 = 48544
Step 75: 48544 + 656 = 49200
Step 76: 49200 + 656 = 49856
Step 77: 49856 + 656 = 50512
Step 78: 50512 + 656 = 51168
Step 79: 51168 + 656 = 51824
Step 80: 51824 + 656 = 52480
Step 81: 52480 + 656 = 53136
Step 82: 53136 + 656 = 53792
Step 83: 53792 + 656 = 54448
Step 84: 54448 + 656 = 55104
Step 85: 55104 + 656 = 55760
Step 86: 55760 + 656 = 56416
Step 87: 56416 + 656 = 57072
Step 88: 57072 + 656 = 57728
Step 89: 57728 + 656 = 58384
Step 90: 58384 + 656 = 59040
Step 91: 59040 + 656 = 59696
Step 92: 59696 + 656 = 60352
Step 93: 60352 + 656 = 61008
Step 94: 61008 + 656 = 61664
Step 95: 61664 + 656 = 62320
Step 96: 62320 + 656 = 62976
Step 97: 62976 + 656 = 63632
Step 98: 63632 + 656 = 64288
Step 99: 64288 + 656 = 64944
Step 100: 64944 + 656 = 65600
Step 101: 65600 + 656 = 66256
Step 102: 66256 + 656 = 66912
Step 103: 66912 + 656 = 67568
Step 104: 67568 + 656 = 68224
Step 105: 68224 + 656 = 68880
Step 106: 68880 + 656 = 69536
Step 107: 69536 + 656 = 70192
Step 108: 70192 + 656 = 70848
Step 109: 70848 + 656 = 71504
Step 110: 71504 + 656 = 72160
Step 111: 72160 + 656 = 72816
Step 112: 72816 + 656 = 73472
Step 113: 73472 + 656 = 74128
Step 114: 74128 + 656 = 74784
Step 115: 74784 + 656 = 75440
Step 116: 75440 + 656 = 76096
Step 117: 76096 + 656 = 76752
Step 118: 76752 + 656 = 77408
Step 119: 77408 + 656 = 78064
Step 120: 78064 + 656 = 78720
Step 121: 78720 + 656 = 79376
Step 122: 79376 + 656 = 80032
Step 123: 80032 + 656 = 80688
Step 124: 80688 + 656 = 81344
Step 125: 81344 + 656 = 82000
Step 126: 82000 + 656 = 82656
Step 127: 82656 + 656 = 83312
Step 128: 83312 + 656 = 83968
Step 129: 83968 + 656 = 84624
Step 130: 84624 + 656 = 85280
Step 131: 85280 + 656 = 85936
Step 132: 85936 + 656 = 86592
Step 133: 86592 + 656 = 87248
Step 134: 87248 + 656 = 87904
Step 135: 87904 + 656 = 88560
Step 136: 88560 + 656 = 89216
Step 137: 89216 + 656 = 89872
Step 138: 89872 + 656 = 90528
Step 139: 90528 + 656 = 91184
Step 140: 91184 + 656 = 91840
Step 141: 91840 + 656 = 92496
Step 142: 92496 + 656 = 93152
Step 143: 93152 + 656 = 93808
Step 144: 93808 + 656 = 94464
Step 145: 94464 + 656 = 95120
Step 146: 95120 + 656 = 95776
Step 147: 95776 + 656 = 96432
Step 148: 96432 + 656 = 97088
Step 149: 97088 + 656 = 97744
Step 150: 97744 + 656 = 98400
Step 151: 98400 + 656 = 99056
Step 152: 99056 + 656 = 99712
Step 153: 99712 + 656 = 100368
Step 154: 100368 + 656 = 101024
Step 155: 101024 + 656 = 101680
Step 156: 101680 + 656 = 102336
Step 157: 102336 + 656 = 102992
Step 158: 102992 + 656 = 103648
Step 159: 103648 + 656 = 104304
Step 160: 104304 + 656 = 104960
Step 161: 104960 + 656 = 105616
Step 162: 105616 + 656 = 106272
Step 163: 106272 + 656 = 106928
Step 164: 106928 + 656 = 107584
Step 165: 107584 + 656 = 108240
Step 166: 108240 + 656 = 108896
Step 167: 108896 + 656 = 109552
Step 168: 109552 + 656 = 110208
Step 169: 110208 + 656 = 110864
Step 170: 110864 + 656 = 111520
Step 171: 111520 + 656 = 112176
Step 172: 112176 + 656 = 112832
Step 173: 112832 + 656 = 113488
Step 174: 113488 + 656 = 114144
Step 175: 114144 + 656 = 114800
Step 176: 114800 + 656 = 115456
Step 177: 115456 + 656 = 116112
Step 178: 116112 + 656 = 116768
Step 179: 116768 + 656 = 117424
Step 180: 117424 + 656 = 118080
Step 181: 118080 + 656 = 118736
Step 182: 118736 + 656 = 119392
Step 183: 119392 + 656 = 120048
Step 184: 120048 + 656 = 120704
Step 185: 120704 + 656 = 121360
Step 186: 121360 + 656 = 122016
Step 187: 122016 + 656 = 122672
Step 188: 122672 + 656 = 123328
Step 189: 123328 + 656 = 123984
Step 190: 123984 + 656 = 124640
Step 191: 124640 + 656 = 125296
Step 192: 125296 + 656 = 125952
Step 193: 125952 + 656 = 126608
Step 194: 126608 + 656 = 127264
Step 195: 127264 + 656 = 127920
Step 196: 127920 + 656 = 128576
Step 197: 128576 + 656 = 129232
Step 198: 129232 + 656 = 129888
Step 199: 129888 + 656 = 130544
Step 200: 130544 + 656 = 131200
Step 201: 131200 + 656 = 131856
Step 202: 131856 + 656 = 132512
Step 203: 132512 + 656 = 133168
Step 204: 133168 + 656 = 133824
Step 205: 133824 + 656 = 134480
Step 206: 134480 + 656 = 135136
Step 207: 135136 + 656 = 135792
Step 208: 135792 + 656 = 136448
Step 209: 136448 + 656 = 137104
Step 210: 137104 + 656 = 137760
Step 211: 137760 + 656 = 138416
Step 212: 138416 + 656 = 139072
Step 213: 139072 + 656 = 139728
Step 214: 139728 + 656 = 140384
Step 215: 140384 + 656 = 141040
Step 216: 141040 + 656 = 141696
Step 217: 141696 + 656 = 142352
Step 218: 142352 + 656 = 143008
Step 219: 143008 + 656 = 143664
Step 220: 143664 + 656 = 144320
Step 221: 144320 + 656 = 144976
Step 222: 144976 + 656 = 145632
Step 223: 145632 + 656 = 146288
Step 224: 146288 + 656 = 146944
Step 225: 146944 + 656 = 147600
Step 226: 147600 + 656 = 148256
Step 227: 148256 + 656 = 148912
Step 228: 148912 + 656 = 149568
Step 229: 149568 + 656 = 150224
Step 230: 150224 + 656 = 150880
Step 231: 150880 + 656 = 151536
Step 232: 151536 + 656 = 152192
Step 233: 152192 + 656 = 152848
Step 234: 152848 + 656 = 153504
Step 235: 153504 + 656 = 154160
Step 236: 154160 + 656 = 154816
Step 237: 154816 + 656 = 155472
Step 238: 155472 + 656 = 156128
Step 239: 156128 + 656 = 156784
Step 240: 156784 + 656 = 157440
Step 241: 157440 + 656 = 158096
Step 242: 158096 + 656 = 158752
Step 243: 158752 + 656 = 159408
Step 244: 159408 + 656 = 160064
Step 245: 160064 + 656 = 160720
Step 246: 160720 + 656 = 161376
Step 247: 161376 + 656 = 162032
Step 248: 162032 + 656 = 162688
Step 249: 162688 + 656 = 163344
Step 250: 163344 + 656 = 164000
Step 251: 164000 + 656 = 164656
Step 252: 164656 + 656 = 165312
Step 253: 165312 + 656 = 165968
Step 254: 165968 + 656 = 166624
Step 255: 166624 + 656 = 167280
Step 256: 167280 + 656 = 167936
Step 257: 167936 + 656 = 168592
Step 258: 168592 + 656 = 169248
Step 259: 169248 + 656 = 169904
Step 260: 169904 + 656 = 170560
Step 261: 170560 + 656 = 171216
Step 262: 171216 + 656 = 171872
Step 263: 171872 + 656 = 172528
Step 264: 172528 + 656 = 173184
Step 265: 173184 + 656 = 173840
Step 266: 173840 + 656 = 174496
Step 267: 174496 + 656 = 175152
Step 268: 175152 + 656 = 175808
Step 269: 175808 + 656 = 176464
Step 270: 176464 + 656 = 177120
Step 271: 177120 + 656 = 177776
Step 272: 177776 + 656 = 178432
Step 273: 178432 + 656 = 179088
Step 274: 179088 + 656 = 179744
Step 275: 179744 + 656 = 180400
Step 276: 180400 + 656 = 181056
Step 277: 181056 + 656 = 181712
Step 278: 181712 + 656 = 182368
Step 279: 182368 + 656 = 183024
Step 280: 183024 + 656 = 183680
Step 281: 183680 + 656 = 184336
Step 282: 184336 + 656 = 184992
Step 283: 184992 + 656 = 185648
Step 284: 185648 + 656 = 186304
Step 285: 186304 + 656 = 186960
Step 286: 186960 + 656 = 187616
Step 287: 187616 + 656 = 188272
Step 288: 188272 + 656 = 188928
Step 289: 188928 + 656 = 189584
Step 290: 189584 + 656 = 190240
Step 291: 190240 + 656 = 190896
Step 292: 190896 + 656 = 191552
Step 293: 191552 + 656 = 192208
Step 294: 192208 + 656 = 192864
Step 295: 192864 + 656 = 193520
Step 296: 193520 + 656 = 194176
Step 297: 194176 + 656 = 194832
Step 298: 194832 + 656 = 195488
Step 299: 195488 + 656 = 196144
Step 300: 196144 + 656 = 196800
Step 301: 196800 + 656 = 197456
Step 302: 197456 + 656 = 198112
Step 303: 198112 + 656 = 198768
Step 304: 198768 + 656 = 199424
Step 305: 199424 + 656 = 200080
Step 306: 200080 + 656 = 200736
Step 307: 200736 + 656 = 201392
Step 308: 201392 + 656 = 202048
Step 309: 202048 + 656 = 202704
Step 310: 202704 + 656 = 203360
Step 311: 203360 + 656 = 204016
Step 312: 204016 + 656 = 204672
Step 313: 204672 + 656 = 205328
Step 314: 205328 + 656 = 205984
Step 315: 205984 + 656 = 206640
Step 316: 206640 + 656 = 207296
Step 317: 207296 + 656 = 207952
Step 318: 207952 + 656 = 208608
Step 319: 208608 + 656 = 209264
Step 320: 209264 + 656 = 209920
Step 321: 209920 + 656 = 210576
Step 322: 210576 + 656 = 211232
Step 323: 211232 + 656 = 211888
Step 324: 211888 + 656 = 212544
Step 325: 212544 + 656 = 213200
Step 326: 213200 + 656 = 213856
Step 327: 213856 + 656 = 214512
Step 328: 214512 + 656 = 215168
Step 329: 215168 + 656 = 215824
Step 330: 215824 + 656 = 216480
Step 331: 216480 + 656 = 217136
Step 332: 217136 + 656 = 217792
Step 333: 217792 + 656 = 218448
Step 334: 218448 + 656 = 219104
Step 335: 219104 + 656 = 219760
Step 336: 219760 + 656 = 220416
Step 337: 220416 + 656 = 221072
Step 338: 221072 + 656 = 221728
Step 339: 221728 + 656 = 222384
Step 340: 222384 + 656 = 223040
Step 341: 223040 + 656 = 223696
Step 342: 223696 + 656 = 224352
Step 343: 224352 + 656 = 225008
Step 344: 225008 + 656 = 225664
Step 345: 225664 + 656 = 226320
Step 346: 226320 + 656 = 226976
Step 347: 226976 + 656 = 227632
Step 348: 227632 + 656 = 228288
Step 349: 228288 + 656 = 228944
Step 350: 228944 + 656 = 229600
Step 351: 229600 + 656 = 230256
Step 352: 230256 + 656 = 230912
Step 353: 230912 + 656 = 231568
Step 354: 231568 + 656 = 232224
Step 355: 232224 + 656 = 232880
Step 356: 232880 + 656 = 233536
Step 357: 233536 + 656 = 234192
Step 358: 234192 + 656 = 234848
Step 359: 234848 + 656 = 235504
Step 360: 235504 + 656 = 236160
Step 361: 236160 + 656 = 236816
Step 362: 236816 + 656 = 237472
Step 363: 237472 + 656 = 238128
Step 364: 238128 + 656 = 238784
Step 365: 238784 + 656 = 239440
Step 366: 239440 + 656 = 240096
Step 367: 240096 + 656 = 240752
Step 368: 240752 + 656 = 241408
Step 369: 241408 + 656 = 242064
Step 370: 242064 + 656 = 242720
Step 371: 242720 + 656 = 243376
Step 372: 243376 + 656 = 244032
Step 373: 244032 + 656 = 244688
Step 374: 244688 + 656 = 245344
Step 375: 245344 + 656 = 246000
Step 376: 246000 + 656 = 246656
Step 377: 246656 + 656 = 247312
Step 378: 247312 + 656 = 247968
Step 379: 247968 + 656 = 248624
Step 380: 248624 + 656 = 249280
Step 381: 249280 + 656 = 249936
Step 382: 249936 + 656 = 250592
Step 383: 250592 + 656 = 251248
Step 384: 251248 + 656 = 251904
Step 385: 251904 + 656 = 252560
Step 386: 252560 + 656 = 253216
Step 387: 253216 + 656 = 253872
Step 388: 253872 + 656 = 254528
Step 389: 254528 + 656 = 255184
Step 390: 255184 + 656 = 255840
Step 391: 255840 + 656 = 256496
Step 392: 256496 + 656 = 257152
Step 393: 257152 + 656 = 257808
Step 394: 257808 + 656 = 258464
Step 395: 258464 + 656 = 259120
Step 396: 259120 + 656 = 259776
Step 397: 259776 + 656 = 260432
Step 398: 260432 + 656 = 261088
Step 399: 261088 + 656 = 261744
Step 400: 261744 + 656 = 262400
Step 401: 262400 + 656 = 263056
Step 402: 263056 + 656 = 263712
Step 403: 263712 + 656 = 264368
Step 404: 264368 + 656 = 265024
Step 405: 265024 + 656 = 265680
Step 406: 265680 + 656 = 266336
Step 407: 266336 + 656 = 266992
Step 408: 266992 + 656 = 267648
Step 409: 267648 + 656 = 268304
Step 410: 268304 + 656 = 268960
Step 411: 268960 + 656 = 269616
Step 412: 269616 + 656 = 270272
Step 413: 270272 + 656 = 270928
Step 414: 270928 + 656 = 271584
Step 415: 271584 + 656 = 272240
Step 416: 272240 + 656 = 272896
Step 417: 272896 + 656 = 273552
Step 418: 273552 + 656 = 274208
Step 419: 274208 + 656 = 274864
Step 420: 274864 + 656 = 275520
Step 421: 275520 + 656 = 276176
Step 422: 276176 + 656 = 276832
Step 423: 276832 + 656 = 277488

So, 656*423 = 277488