Alright, let's solve this math problem step by step. First, we have the number 881. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 307. So, we're going to take the number 881 and add it to itself 307 times.
Step 1: 0 + 881 = 881
Step 2: 881 + 881 = 1762
Step 3: 1762 + 881 = 2643
Step 4: 2643 + 881 = 3524
Step 5: 3524 + 881 = 4405
Step 6: 4405 + 881 = 5286
Step 7: 5286 + 881 = 6167
Step 8: 6167 + 881 = 7048
Step 9: 7048 + 881 = 7929
Step 10: 7929 + 881 = 8810
Step 11: 8810 + 881 = 9691
Step 12: 9691 + 881 = 10572
Step 13: 10572 + 881 = 11453
Step 14: 11453 + 881 = 12334
Step 15: 12334 + 881 = 13215
Step 16: 13215 + 881 = 14096
Step 17: 14096 + 881 = 14977
Step 18: 14977 + 881 = 15858
Step 19: 15858 + 881 = 16739
Step 20: 16739 + 881 = 17620
Step 21: 17620 + 881 = 18501
Step 22: 18501 + 881 = 19382
Step 23: 19382 + 881 = 20263
Step 24: 20263 + 881 = 21144
Step 25: 21144 + 881 = 22025
Step 26: 22025 + 881 = 22906
Step 27: 22906 + 881 = 23787
Step 28: 23787 + 881 = 24668
Step 29: 24668 + 881 = 25549
Step 30: 25549 + 881 = 26430
Step 31: 26430 + 881 = 27311
Step 32: 27311 + 881 = 28192
Step 33: 28192 + 881 = 29073
Step 34: 29073 + 881 = 29954
Step 35: 29954 + 881 = 30835
Step 36: 30835 + 881 = 31716
Step 37: 31716 + 881 = 32597
Step 38: 32597 + 881 = 33478
Step 39: 33478 + 881 = 34359
Step 40: 34359 + 881 = 35240
Step 41: 35240 + 881 = 36121
Step 42: 36121 + 881 = 37002
Step 43: 37002 + 881 = 37883
Step 44: 37883 + 881 = 38764
Step 45: 38764 + 881 = 39645
Step 46: 39645 + 881 = 40526
Step 47: 40526 + 881 = 41407
Step 48: 41407 + 881 = 42288
Step 49: 42288 + 881 = 43169
Step 50: 43169 + 881 = 44050
Step 51: 44050 + 881 = 44931
Step 52: 44931 + 881 = 45812
Step 53: 45812 + 881 = 46693
Step 54: 46693 + 881 = 47574
Step 55: 47574 + 881 = 48455
Step 56: 48455 + 881 = 49336
Step 57: 49336 + 881 = 50217
Step 58: 50217 + 881 = 51098
Step 59: 51098 + 881 = 51979
Step 60: 51979 + 881 = 52860
Step 61: 52860 + 881 = 53741
Step 62: 53741 + 881 = 54622
Step 63: 54622 + 881 = 55503
Step 64: 55503 + 881 = 56384
Step 65: 56384 + 881 = 57265
Step 66: 57265 + 881 = 58146
Step 67: 58146 + 881 = 59027
Step 68: 59027 + 881 = 59908
Step 69: 59908 + 881 = 60789
Step 70: 60789 + 881 = 61670
Step 71: 61670 + 881 = 62551
Step 72: 62551 + 881 = 63432
Step 73: 63432 + 881 = 64313
Step 74: 64313 + 881 = 65194
Step 75: 65194 + 881 = 66075
Step 76: 66075 + 881 = 66956
Step 77: 66956 + 881 = 67837
Step 78: 67837 + 881 = 68718
Step 79: 68718 + 881 = 69599
Step 80: 69599 + 881 = 70480
Step 81: 70480 + 881 = 71361
Step 82: 71361 + 881 = 72242
Step 83: 72242 + 881 = 73123
Step 84: 73123 + 881 = 74004
Step 85: 74004 + 881 = 74885
Step 86: 74885 + 881 = 75766
Step 87: 75766 + 881 = 76647
Step 88: 76647 + 881 = 77528
Step 89: 77528 + 881 = 78409
Step 90: 78409 + 881 = 79290
Step 91: 79290 + 881 = 80171
Step 92: 80171 + 881 = 81052
Step 93: 81052 + 881 = 81933
Step 94: 81933 + 881 = 82814
Step 95: 82814 + 881 = 83695
Step 96: 83695 + 881 = 84576
Step 97: 84576 + 881 = 85457
Step 98: 85457 + 881 = 86338
Step 99: 86338 + 881 = 87219
Step 100: 87219 + 881 = 88100
Step 101: 88100 + 881 = 88981
Step 102: 88981 + 881 = 89862
Step 103: 89862 + 881 = 90743
Step 104: 90743 + 881 = 91624
Step 105: 91624 + 881 = 92505
Step 106: 92505 + 881 = 93386
Step 107: 93386 + 881 = 94267
Step 108: 94267 + 881 = 95148
Step 109: 95148 + 881 = 96029
Step 110: 96029 + 881 = 96910
Step 111: 96910 + 881 = 97791
Step 112: 97791 + 881 = 98672
Step 113: 98672 + 881 = 99553
Step 114: 99553 + 881 = 100434
Step 115: 100434 + 881 = 101315
Step 116: 101315 + 881 = 102196
Step 117: 102196 + 881 = 103077
Step 118: 103077 + 881 = 103958
Step 119: 103958 + 881 = 104839
Step 120: 104839 + 881 = 105720
Step 121: 105720 + 881 = 106601
Step 122: 106601 + 881 = 107482
Step 123: 107482 + 881 = 108363
Step 124: 108363 + 881 = 109244
Step 125: 109244 + 881 = 110125
Step 126: 110125 + 881 = 111006
Step 127: 111006 + 881 = 111887
Step 128: 111887 + 881 = 112768
Step 129: 112768 + 881 = 113649
Step 130: 113649 + 881 = 114530
Step 131: 114530 + 881 = 115411
Step 132: 115411 + 881 = 116292
Step 133: 116292 + 881 = 117173
Step 134: 117173 + 881 = 118054
Step 135: 118054 + 881 = 118935
Step 136: 118935 + 881 = 119816
Step 137: 119816 + 881 = 120697
Step 138: 120697 + 881 = 121578
Step 139: 121578 + 881 = 122459
Step 140: 122459 + 881 = 123340
Step 141: 123340 + 881 = 124221
Step 142: 124221 + 881 = 125102
Step 143: 125102 + 881 = 125983
Step 144: 125983 + 881 = 126864
Step 145: 126864 + 881 = 127745
Step 146: 127745 + 881 = 128626
Step 147: 128626 + 881 = 129507
Step 148: 129507 + 881 = 130388
Step 149: 130388 + 881 = 131269
Step 150: 131269 + 881 = 132150
Step 151: 132150 + 881 = 133031
Step 152: 133031 + 881 = 133912
Step 153: 133912 + 881 = 134793
Step 154: 134793 + 881 = 135674
Step 155: 135674 + 881 = 136555
Step 156: 136555 + 881 = 137436
Step 157: 137436 + 881 = 138317
Step 158: 138317 + 881 = 139198
Step 159: 139198 + 881 = 140079
Step 160: 140079 + 881 = 140960
Step 161: 140960 + 881 = 141841
Step 162: 141841 + 881 = 142722
Step 163: 142722 + 881 = 143603
Step 164: 143603 + 881 = 144484
Step 165: 144484 + 881 = 145365
Step 166: 145365 + 881 = 146246
Step 167: 146246 + 881 = 147127
Step 168: 147127 + 881 = 148008
Step 169: 148008 + 881 = 148889
Step 170: 148889 + 881 = 149770
Step 171: 149770 + 881 = 150651
Step 172: 150651 + 881 = 151532
Step 173: 151532 + 881 = 152413
Step 174: 152413 + 881 = 153294
Step 175: 153294 + 881 = 154175
Step 176: 154175 + 881 = 155056
Step 177: 155056 + 881 = 155937
Step 178: 155937 + 881 = 156818
Step 179: 156818 + 881 = 157699
Step 180: 157699 + 881 = 158580
Step 181: 158580 + 881 = 159461
Step 182: 159461 + 881 = 160342
Step 183: 160342 + 881 = 161223
Step 184: 161223 + 881 = 162104
Step 185: 162104 + 881 = 162985
Step 186: 162985 + 881 = 163866
Step 187: 163866 + 881 = 164747
Step 188: 164747 + 881 = 165628
Step 189: 165628 + 881 = 166509
Step 190: 166509 + 881 = 167390
Step 191: 167390 + 881 = 168271
Step 192: 168271 + 881 = 169152
Step 193: 169152 + 881 = 170033
Step 194: 170033 + 881 = 170914
Step 195: 170914 + 881 = 171795
Step 196: 171795 + 881 = 172676
Step 197: 172676 + 881 = 173557
Step 198: 173557 + 881 = 174438
Step 199: 174438 + 881 = 175319
Step 200: 175319 + 881 = 176200
Step 201: 176200 + 881 = 177081
Step 202: 177081 + 881 = 177962
Step 203: 177962 + 881 = 178843
Step 204: 178843 + 881 = 179724
Step 205: 179724 + 881 = 180605
Step 206: 180605 + 881 = 181486
Step 207: 181486 + 881 = 182367
Step 208: 182367 + 881 = 183248
Step 209: 183248 + 881 = 184129
Step 210: 184129 + 881 = 185010
Step 211: 185010 + 881 = 185891
Step 212: 185891 + 881 = 186772
Step 213: 186772 + 881 = 187653
Step 214: 187653 + 881 = 188534
Step 215: 188534 + 881 = 189415
Step 216: 189415 + 881 = 190296
Step 217: 190296 + 881 = 191177
Step 218: 191177 + 881 = 192058
Step 219: 192058 + 881 = 192939
Step 220: 192939 + 881 = 193820
Step 221: 193820 + 881 = 194701
Step 222: 194701 + 881 = 195582
Step 223: 195582 + 881 = 196463
Step 224: 196463 + 881 = 197344
Step 225: 197344 + 881 = 198225
Step 226: 198225 + 881 = 199106
Step 227: 199106 + 881 = 199987
Step 228: 199987 + 881 = 200868
Step 229: 200868 + 881 = 201749
Step 230: 201749 + 881 = 202630
Step 231: 202630 + 881 = 203511
Step 232: 203511 + 881 = 204392
Step 233: 204392 + 881 = 205273
Step 234: 205273 + 881 = 206154
Step 235: 206154 + 881 = 207035
Step 236: 207035 + 881 = 207916
Step 237: 207916 + 881 = 208797
Step 238: 208797 + 881 = 209678
Step 239: 209678 + 881 = 210559
Step 240: 210559 + 881 = 211440
Step 241: 211440 + 881 = 212321
Step 242: 212321 + 881 = 213202
Step 243: 213202 + 881 = 214083
Step 244: 214083 + 881 = 214964
Step 245: 214964 + 881 = 215845
Step 246: 215845 + 881 = 216726
Step 247: 216726 + 881 = 217607
Step 248: 217607 + 881 = 218488
Step 249: 218488 + 881 = 219369
Step 250: 219369 + 881 = 220250
Step 251: 220250 + 881 = 221131
Step 252: 221131 + 881 = 222012
Step 253: 222012 + 881 = 222893
Step 254: 222893 + 881 = 223774
Step 255: 223774 + 881 = 224655
Step 256: 224655 + 881 = 225536
Step 257: 225536 + 881 = 226417
Step 258: 226417 + 881 = 227298
Step 259: 227298 + 881 = 228179
Step 260: 228179 + 881 = 229060
Step 261: 229060 + 881 = 229941
Step 262: 229941 + 881 = 230822
Step 263: 230822 + 881 = 231703
Step 264: 231703 + 881 = 232584
Step 265: 232584 + 881 = 233465
Step 266: 233465 + 881 = 234346
Step 267: 234346 + 881 = 235227
Step 268: 235227 + 881 = 236108
Step 269: 236108 + 881 = 236989
Step 270: 236989 + 881 = 237870
Step 271: 237870 + 881 = 238751
Step 272: 238751 + 881 = 239632
Step 273: 239632 + 881 = 240513
Step 274: 240513 + 881 = 241394
Step 275: 241394 + 881 = 242275
Step 276: 242275 + 881 = 243156
Step 277: 243156 + 881 = 244037
Step 278: 244037 + 881 = 244918
Step 279: 244918 + 881 = 245799
Step 280: 245799 + 881 = 246680
Step 281: 246680 + 881 = 247561
Step 282: 247561 + 881 = 248442
Step 283: 248442 + 881 = 249323
Step 284: 249323 + 881 = 250204
Step 285: 250204 + 881 = 251085
Step 286: 251085 + 881 = 251966
Step 287: 251966 + 881 = 252847
Step 288: 252847 + 881 = 253728
Step 289: 253728 + 881 = 254609
Step 290: 254609 + 881 = 255490
Step 291: 255490 + 881 = 256371
Step 292: 256371 + 881 = 257252
Step 293: 257252 + 881 = 258133
Step 294: 258133 + 881 = 259014
Step 295: 259014 + 881 = 259895
Step 296: 259895 + 881 = 260776
Step 297: 260776 + 881 = 261657
Step 298: 261657 + 881 = 262538
Step 299: 262538 + 881 = 263419
Step 300: 263419 + 881 = 264300
Step 301: 264300 + 881 = 265181
Step 302: 265181 + 881 = 266062
Step 303: 266062 + 881 = 266943
Step 304: 266943 + 881 = 267824
Step 305: 267824 + 881 = 268705
Step 306: 268705 + 881 = 269586
Step 307: 269586 + 881 = 270467

So, 881*307 = 270467