Alright, let's solve this math problem step by step. First, we have the number 677. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 280. So, we're going to take the number 677 and add it to itself 280 times.
Step 1: 0 + 677 = 677
Step 2: 677 + 677 = 1354
Step 3: 1354 + 677 = 2031
Step 4: 2031 + 677 = 2708
Step 5: 2708 + 677 = 3385
Step 6: 3385 + 677 = 4062
Step 7: 4062 + 677 = 4739
Step 8: 4739 + 677 = 5416
Step 9: 5416 + 677 = 6093
Step 10: 6093 + 677 = 6770
Step 11: 6770 + 677 = 7447
Step 12: 7447 + 677 = 8124
Step 13: 8124 + 677 = 8801
Step 14: 8801 + 677 = 9478
Step 15: 9478 + 677 = 10155
Step 16: 10155 + 677 = 10832
Step 17: 10832 + 677 = 11509
Step 18: 11509 + 677 = 12186
Step 19: 12186 + 677 = 12863
Step 20: 12863 + 677 = 13540
Step 21: 13540 + 677 = 14217
Step 22: 14217 + 677 = 14894
Step 23: 14894 + 677 = 15571
Step 24: 15571 + 677 = 16248
Step 25: 16248 + 677 = 16925
Step 26: 16925 + 677 = 17602
Step 27: 17602 + 677 = 18279
Step 28: 18279 + 677 = 18956
Step 29: 18956 + 677 = 19633
Step 30: 19633 + 677 = 20310
Step 31: 20310 + 677 = 20987
Step 32: 20987 + 677 = 21664
Step 33: 21664 + 677 = 22341
Step 34: 22341 + 677 = 23018
Step 35: 23018 + 677 = 23695
Step 36: 23695 + 677 = 24372
Step 37: 24372 + 677 = 25049
Step 38: 25049 + 677 = 25726
Step 39: 25726 + 677 = 26403
Step 40: 26403 + 677 = 27080
Step 41: 27080 + 677 = 27757
Step 42: 27757 + 677 = 28434
Step 43: 28434 + 677 = 29111
Step 44: 29111 + 677 = 29788
Step 45: 29788 + 677 = 30465
Step 46: 30465 + 677 = 31142
Step 47: 31142 + 677 = 31819
Step 48: 31819 + 677 = 32496
Step 49: 32496 + 677 = 33173
Step 50: 33173 + 677 = 33850
Step 51: 33850 + 677 = 34527
Step 52: 34527 + 677 = 35204
Step 53: 35204 + 677 = 35881
Step 54: 35881 + 677 = 36558
Step 55: 36558 + 677 = 37235
Step 56: 37235 + 677 = 37912
Step 57: 37912 + 677 = 38589
Step 58: 38589 + 677 = 39266
Step 59: 39266 + 677 = 39943
Step 60: 39943 + 677 = 40620
Step 61: 40620 + 677 = 41297
Step 62: 41297 + 677 = 41974
Step 63: 41974 + 677 = 42651
Step 64: 42651 + 677 = 43328
Step 65: 43328 + 677 = 44005
Step 66: 44005 + 677 = 44682
Step 67: 44682 + 677 = 45359
Step 68: 45359 + 677 = 46036
Step 69: 46036 + 677 = 46713
Step 70: 46713 + 677 = 47390
Step 71: 47390 + 677 = 48067
Step 72: 48067 + 677 = 48744
Step 73: 48744 + 677 = 49421
Step 74: 49421 + 677 = 50098
Step 75: 50098 + 677 = 50775
Step 76: 50775 + 677 = 51452
Step 77: 51452 + 677 = 52129
Step 78: 52129 + 677 = 52806
Step 79: 52806 + 677 = 53483
Step 80: 53483 + 677 = 54160
Step 81: 54160 + 677 = 54837
Step 82: 54837 + 677 = 55514
Step 83: 55514 + 677 = 56191
Step 84: 56191 + 677 = 56868
Step 85: 56868 + 677 = 57545
Step 86: 57545 + 677 = 58222
Step 87: 58222 + 677 = 58899
Step 88: 58899 + 677 = 59576
Step 89: 59576 + 677 = 60253
Step 90: 60253 + 677 = 60930
Step 91: 60930 + 677 = 61607
Step 92: 61607 + 677 = 62284
Step 93: 62284 + 677 = 62961
Step 94: 62961 + 677 = 63638
Step 95: 63638 + 677 = 64315
Step 96: 64315 + 677 = 64992
Step 97: 64992 + 677 = 65669
Step 98: 65669 + 677 = 66346
Step 99: 66346 + 677 = 67023
Step 100: 67023 + 677 = 67700
Step 101: 67700 + 677 = 68377
Step 102: 68377 + 677 = 69054
Step 103: 69054 + 677 = 69731
Step 104: 69731 + 677 = 70408
Step 105: 70408 + 677 = 71085
Step 106: 71085 + 677 = 71762
Step 107: 71762 + 677 = 72439
Step 108: 72439 + 677 = 73116
Step 109: 73116 + 677 = 73793
Step 110: 73793 + 677 = 74470
Step 111: 74470 + 677 = 75147
Step 112: 75147 + 677 = 75824
Step 113: 75824 + 677 = 76501
Step 114: 76501 + 677 = 77178
Step 115: 77178 + 677 = 77855
Step 116: 77855 + 677 = 78532
Step 117: 78532 + 677 = 79209
Step 118: 79209 + 677 = 79886
Step 119: 79886 + 677 = 80563
Step 120: 80563 + 677 = 81240
Step 121: 81240 + 677 = 81917
Step 122: 81917 + 677 = 82594
Step 123: 82594 + 677 = 83271
Step 124: 83271 + 677 = 83948
Step 125: 83948 + 677 = 84625
Step 126: 84625 + 677 = 85302
Step 127: 85302 + 677 = 85979
Step 128: 85979 + 677 = 86656
Step 129: 86656 + 677 = 87333
Step 130: 87333 + 677 = 88010
Step 131: 88010 + 677 = 88687
Step 132: 88687 + 677 = 89364
Step 133: 89364 + 677 = 90041
Step 134: 90041 + 677 = 90718
Step 135: 90718 + 677 = 91395
Step 136: 91395 + 677 = 92072
Step 137: 92072 + 677 = 92749
Step 138: 92749 + 677 = 93426
Step 139: 93426 + 677 = 94103
Step 140: 94103 + 677 = 94780
Step 141: 94780 + 677 = 95457
Step 142: 95457 + 677 = 96134
Step 143: 96134 + 677 = 96811
Step 144: 96811 + 677 = 97488
Step 145: 97488 + 677 = 98165
Step 146: 98165 + 677 = 98842
Step 147: 98842 + 677 = 99519
Step 148: 99519 + 677 = 100196
Step 149: 100196 + 677 = 100873
Step 150: 100873 + 677 = 101550
Step 151: 101550 + 677 = 102227
Step 152: 102227 + 677 = 102904
Step 153: 102904 + 677 = 103581
Step 154: 103581 + 677 = 104258
Step 155: 104258 + 677 = 104935
Step 156: 104935 + 677 = 105612
Step 157: 105612 + 677 = 106289
Step 158: 106289 + 677 = 106966
Step 159: 106966 + 677 = 107643
Step 160: 107643 + 677 = 108320
Step 161: 108320 + 677 = 108997
Step 162: 108997 + 677 = 109674
Step 163: 109674 + 677 = 110351
Step 164: 110351 + 677 = 111028
Step 165: 111028 + 677 = 111705
Step 166: 111705 + 677 = 112382
Step 167: 112382 + 677 = 113059
Step 168: 113059 + 677 = 113736
Step 169: 113736 + 677 = 114413
Step 170: 114413 + 677 = 115090
Step 171: 115090 + 677 = 115767
Step 172: 115767 + 677 = 116444
Step 173: 116444 + 677 = 117121
Step 174: 117121 + 677 = 117798
Step 175: 117798 + 677 = 118475
Step 176: 118475 + 677 = 119152
Step 177: 119152 + 677 = 119829
Step 178: 119829 + 677 = 120506
Step 179: 120506 + 677 = 121183
Step 180: 121183 + 677 = 121860
Step 181: 121860 + 677 = 122537
Step 182: 122537 + 677 = 123214
Step 183: 123214 + 677 = 123891
Step 184: 123891 + 677 = 124568
Step 185: 124568 + 677 = 125245
Step 186: 125245 + 677 = 125922
Step 187: 125922 + 677 = 126599
Step 188: 126599 + 677 = 127276
Step 189: 127276 + 677 = 127953
Step 190: 127953 + 677 = 128630
Step 191: 128630 + 677 = 129307
Step 192: 129307 + 677 = 129984
Step 193: 129984 + 677 = 130661
Step 194: 130661 + 677 = 131338
Step 195: 131338 + 677 = 132015
Step 196: 132015 + 677 = 132692
Step 197: 132692 + 677 = 133369
Step 198: 133369 + 677 = 134046
Step 199: 134046 + 677 = 134723
Step 200: 134723 + 677 = 135400
Step 201: 135400 + 677 = 136077
Step 202: 136077 + 677 = 136754
Step 203: 136754 + 677 = 137431
Step 204: 137431 + 677 = 138108
Step 205: 138108 + 677 = 138785
Step 206: 138785 + 677 = 139462
Step 207: 139462 + 677 = 140139
Step 208: 140139 + 677 = 140816
Step 209: 140816 + 677 = 141493
Step 210: 141493 + 677 = 142170
Step 211: 142170 + 677 = 142847
Step 212: 142847 + 677 = 143524
Step 213: 143524 + 677 = 144201
Step 214: 144201 + 677 = 144878
Step 215: 144878 + 677 = 145555
Step 216: 145555 + 677 = 146232
Step 217: 146232 + 677 = 146909
Step 218: 146909 + 677 = 147586
Step 219: 147586 + 677 = 148263
Step 220: 148263 + 677 = 148940
Step 221: 148940 + 677 = 149617
Step 222: 149617 + 677 = 150294
Step 223: 150294 + 677 = 150971
Step 224: 150971 + 677 = 151648
Step 225: 151648 + 677 = 152325
Step 226: 152325 + 677 = 153002
Step 227: 153002 + 677 = 153679
Step 228: 153679 + 677 = 154356
Step 229: 154356 + 677 = 155033
Step 230: 155033 + 677 = 155710
Step 231: 155710 + 677 = 156387
Step 232: 156387 + 677 = 157064
Step 233: 157064 + 677 = 157741
Step 234: 157741 + 677 = 158418
Step 235: 158418 + 677 = 159095
Step 236: 159095 + 677 = 159772
Step 237: 159772 + 677 = 160449
Step 238: 160449 + 677 = 161126
Step 239: 161126 + 677 = 161803
Step 240: 161803 + 677 = 162480
Step 241: 162480 + 677 = 163157
Step 242: 163157 + 677 = 163834
Step 243: 163834 + 677 = 164511
Step 244: 164511 + 677 = 165188
Step 245: 165188 + 677 = 165865
Step 246: 165865 + 677 = 166542
Step 247: 166542 + 677 = 167219
Step 248: 167219 + 677 = 167896
Step 249: 167896 + 677 = 168573
Step 250: 168573 + 677 = 169250
Step 251: 169250 + 677 = 169927
Step 252: 169927 + 677 = 170604
Step 253: 170604 + 677 = 171281
Step 254: 171281 + 677 = 171958
Step 255: 171958 + 677 = 172635
Step 256: 172635 + 677 = 173312
Step 257: 173312 + 677 = 173989
Step 258: 173989 + 677 = 174666
Step 259: 174666 + 677 = 175343
Step 260: 175343 + 677 = 176020
Step 261: 176020 + 677 = 176697
Step 262: 176697 + 677 = 177374
Step 263: 177374 + 677 = 178051
Step 264: 178051 + 677 = 178728
Step 265: 178728 + 677 = 179405
Step 266: 179405 + 677 = 180082
Step 267: 180082 + 677 = 180759
Step 268: 180759 + 677 = 181436
Step 269: 181436 + 677 = 182113
Step 270: 182113 + 677 = 182790
Step 271: 182790 + 677 = 183467
Step 272: 183467 + 677 = 184144
Step 273: 184144 + 677 = 184821
Step 274: 184821 + 677 = 185498
Step 275: 185498 + 677 = 186175
Step 276: 186175 + 677 = 186852
Step 277: 186852 + 677 = 187529
Step 278: 187529 + 677 = 188206
Step 279: 188206 + 677 = 188883
Step 280: 188883 + 677 = 189560

So, 677*280 = 189560