Alright, let's solve this math problem step by step. First, we have the number 777. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 257. So, we're going to take the number 777 and add it to itself 257 times.
Step 1: 0 + 777 = 777
Step 2: 777 + 777 = 1554
Step 3: 1554 + 777 = 2331
Step 4: 2331 + 777 = 3108
Step 5: 3108 + 777 = 3885
Step 6: 3885 + 777 = 4662
Step 7: 4662 + 777 = 5439
Step 8: 5439 + 777 = 6216
Step 9: 6216 + 777 = 6993
Step 10: 6993 + 777 = 7770
Step 11: 7770 + 777 = 8547
Step 12: 8547 + 777 = 9324
Step 13: 9324 + 777 = 10101
Step 14: 10101 + 777 = 10878
Step 15: 10878 + 777 = 11655
Step 16: 11655 + 777 = 12432
Step 17: 12432 + 777 = 13209
Step 18: 13209 + 777 = 13986
Step 19: 13986 + 777 = 14763
Step 20: 14763 + 777 = 15540
Step 21: 15540 + 777 = 16317
Step 22: 16317 + 777 = 17094
Step 23: 17094 + 777 = 17871
Step 24: 17871 + 777 = 18648
Step 25: 18648 + 777 = 19425
Step 26: 19425 + 777 = 20202
Step 27: 20202 + 777 = 20979
Step 28: 20979 + 777 = 21756
Step 29: 21756 + 777 = 22533
Step 30: 22533 + 777 = 23310
Step 31: 23310 + 777 = 24087
Step 32: 24087 + 777 = 24864
Step 33: 24864 + 777 = 25641
Step 34: 25641 + 777 = 26418
Step 35: 26418 + 777 = 27195
Step 36: 27195 + 777 = 27972
Step 37: 27972 + 777 = 28749
Step 38: 28749 + 777 = 29526
Step 39: 29526 + 777 = 30303
Step 40: 30303 + 777 = 31080
Step 41: 31080 + 777 = 31857
Step 42: 31857 + 777 = 32634
Step 43: 32634 + 777 = 33411
Step 44: 33411 + 777 = 34188
Step 45: 34188 + 777 = 34965
Step 46: 34965 + 777 = 35742
Step 47: 35742 + 777 = 36519
Step 48: 36519 + 777 = 37296
Step 49: 37296 + 777 = 38073
Step 50: 38073 + 777 = 38850
Step 51: 38850 + 777 = 39627
Step 52: 39627 + 777 = 40404
Step 53: 40404 + 777 = 41181
Step 54: 41181 + 777 = 41958
Step 55: 41958 + 777 = 42735
Step 56: 42735 + 777 = 43512
Step 57: 43512 + 777 = 44289
Step 58: 44289 + 777 = 45066
Step 59: 45066 + 777 = 45843
Step 60: 45843 + 777 = 46620
Step 61: 46620 + 777 = 47397
Step 62: 47397 + 777 = 48174
Step 63: 48174 + 777 = 48951
Step 64: 48951 + 777 = 49728
Step 65: 49728 + 777 = 50505
Step 66: 50505 + 777 = 51282
Step 67: 51282 + 777 = 52059
Step 68: 52059 + 777 = 52836
Step 69: 52836 + 777 = 53613
Step 70: 53613 + 777 = 54390
Step 71: 54390 + 777 = 55167
Step 72: 55167 + 777 = 55944
Step 73: 55944 + 777 = 56721
Step 74: 56721 + 777 = 57498
Step 75: 57498 + 777 = 58275
Step 76: 58275 + 777 = 59052
Step 77: 59052 + 777 = 59829
Step 78: 59829 + 777 = 60606
Step 79: 60606 + 777 = 61383
Step 80: 61383 + 777 = 62160
Step 81: 62160 + 777 = 62937
Step 82: 62937 + 777 = 63714
Step 83: 63714 + 777 = 64491
Step 84: 64491 + 777 = 65268
Step 85: 65268 + 777 = 66045
Step 86: 66045 + 777 = 66822
Step 87: 66822 + 777 = 67599
Step 88: 67599 + 777 = 68376
Step 89: 68376 + 777 = 69153
Step 90: 69153 + 777 = 69930
Step 91: 69930 + 777 = 70707
Step 92: 70707 + 777 = 71484
Step 93: 71484 + 777 = 72261
Step 94: 72261 + 777 = 73038
Step 95: 73038 + 777 = 73815
Step 96: 73815 + 777 = 74592
Step 97: 74592 + 777 = 75369
Step 98: 75369 + 777 = 76146
Step 99: 76146 + 777 = 76923
Step 100: 76923 + 777 = 77700
Step 101: 77700 + 777 = 78477
Step 102: 78477 + 777 = 79254
Step 103: 79254 + 777 = 80031
Step 104: 80031 + 777 = 80808
Step 105: 80808 + 777 = 81585
Step 106: 81585 + 777 = 82362
Step 107: 82362 + 777 = 83139
Step 108: 83139 + 777 = 83916
Step 109: 83916 + 777 = 84693
Step 110: 84693 + 777 = 85470
Step 111: 85470 + 777 = 86247
Step 112: 86247 + 777 = 87024
Step 113: 87024 + 777 = 87801
Step 114: 87801 + 777 = 88578
Step 115: 88578 + 777 = 89355
Step 116: 89355 + 777 = 90132
Step 117: 90132 + 777 = 90909
Step 118: 90909 + 777 = 91686
Step 119: 91686 + 777 = 92463
Step 120: 92463 + 777 = 93240
Step 121: 93240 + 777 = 94017
Step 122: 94017 + 777 = 94794
Step 123: 94794 + 777 = 95571
Step 124: 95571 + 777 = 96348
Step 125: 96348 + 777 = 97125
Step 126: 97125 + 777 = 97902
Step 127: 97902 + 777 = 98679
Step 128: 98679 + 777 = 99456
Step 129: 99456 + 777 = 100233
Step 130: 100233 + 777 = 101010
Step 131: 101010 + 777 = 101787
Step 132: 101787 + 777 = 102564
Step 133: 102564 + 777 = 103341
Step 134: 103341 + 777 = 104118
Step 135: 104118 + 777 = 104895
Step 136: 104895 + 777 = 105672
Step 137: 105672 + 777 = 106449
Step 138: 106449 + 777 = 107226
Step 139: 107226 + 777 = 108003
Step 140: 108003 + 777 = 108780
Step 141: 108780 + 777 = 109557
Step 142: 109557 + 777 = 110334
Step 143: 110334 + 777 = 111111
Step 144: 111111 + 777 = 111888
Step 145: 111888 + 777 = 112665
Step 146: 112665 + 777 = 113442
Step 147: 113442 + 777 = 114219
Step 148: 114219 + 777 = 114996
Step 149: 114996 + 777 = 115773
Step 150: 115773 + 777 = 116550
Step 151: 116550 + 777 = 117327
Step 152: 117327 + 777 = 118104
Step 153: 118104 + 777 = 118881
Step 154: 118881 + 777 = 119658
Step 155: 119658 + 777 = 120435
Step 156: 120435 + 777 = 121212
Step 157: 121212 + 777 = 121989
Step 158: 121989 + 777 = 122766
Step 159: 122766 + 777 = 123543
Step 160: 123543 + 777 = 124320
Step 161: 124320 + 777 = 125097
Step 162: 125097 + 777 = 125874
Step 163: 125874 + 777 = 126651
Step 164: 126651 + 777 = 127428
Step 165: 127428 + 777 = 128205
Step 166: 128205 + 777 = 128982
Step 167: 128982 + 777 = 129759
Step 168: 129759 + 777 = 130536
Step 169: 130536 + 777 = 131313
Step 170: 131313 + 777 = 132090
Step 171: 132090 + 777 = 132867
Step 172: 132867 + 777 = 133644
Step 173: 133644 + 777 = 134421
Step 174: 134421 + 777 = 135198
Step 175: 135198 + 777 = 135975
Step 176: 135975 + 777 = 136752
Step 177: 136752 + 777 = 137529
Step 178: 137529 + 777 = 138306
Step 179: 138306 + 777 = 139083
Step 180: 139083 + 777 = 139860
Step 181: 139860 + 777 = 140637
Step 182: 140637 + 777 = 141414
Step 183: 141414 + 777 = 142191
Step 184: 142191 + 777 = 142968
Step 185: 142968 + 777 = 143745
Step 186: 143745 + 777 = 144522
Step 187: 144522 + 777 = 145299
Step 188: 145299 + 777 = 146076
Step 189: 146076 + 777 = 146853
Step 190: 146853 + 777 = 147630
Step 191: 147630 + 777 = 148407
Step 192: 148407 + 777 = 149184
Step 193: 149184 + 777 = 149961
Step 194: 149961 + 777 = 150738
Step 195: 150738 + 777 = 151515
Step 196: 151515 + 777 = 152292
Step 197: 152292 + 777 = 153069
Step 198: 153069 + 777 = 153846
Step 199: 153846 + 777 = 154623
Step 200: 154623 + 777 = 155400
Step 201: 155400 + 777 = 156177
Step 202: 156177 + 777 = 156954
Step 203: 156954 + 777 = 157731
Step 204: 157731 + 777 = 158508
Step 205: 158508 + 777 = 159285
Step 206: 159285 + 777 = 160062
Step 207: 160062 + 777 = 160839
Step 208: 160839 + 777 = 161616
Step 209: 161616 + 777 = 162393
Step 210: 162393 + 777 = 163170
Step 211: 163170 + 777 = 163947
Step 212: 163947 + 777 = 164724
Step 213: 164724 + 777 = 165501
Step 214: 165501 + 777 = 166278
Step 215: 166278 + 777 = 167055
Step 216: 167055 + 777 = 167832
Step 217: 167832 + 777 = 168609
Step 218: 168609 + 777 = 169386
Step 219: 169386 + 777 = 170163
Step 220: 170163 + 777 = 170940
Step 221: 170940 + 777 = 171717
Step 222: 171717 + 777 = 172494
Step 223: 172494 + 777 = 173271
Step 224: 173271 + 777 = 174048
Step 225: 174048 + 777 = 174825
Step 226: 174825 + 777 = 175602
Step 227: 175602 + 777 = 176379
Step 228: 176379 + 777 = 177156
Step 229: 177156 + 777 = 177933
Step 230: 177933 + 777 = 178710
Step 231: 178710 + 777 = 179487
Step 232: 179487 + 777 = 180264
Step 233: 180264 + 777 = 181041
Step 234: 181041 + 777 = 181818
Step 235: 181818 + 777 = 182595
Step 236: 182595 + 777 = 183372
Step 237: 183372 + 777 = 184149
Step 238: 184149 + 777 = 184926
Step 239: 184926 + 777 = 185703
Step 240: 185703 + 777 = 186480
Step 241: 186480 + 777 = 187257
Step 242: 187257 + 777 = 188034
Step 243: 188034 + 777 = 188811
Step 244: 188811 + 777 = 189588
Step 245: 189588 + 777 = 190365
Step 246: 190365 + 777 = 191142
Step 247: 191142 + 777 = 191919
Step 248: 191919 + 777 = 192696
Step 249: 192696 + 777 = 193473
Step 250: 193473 + 777 = 194250
Step 251: 194250 + 777 = 195027
Step 252: 195027 + 777 = 195804
Step 253: 195804 + 777 = 196581
Step 254: 196581 + 777 = 197358
Step 255: 197358 + 777 = 198135
Step 256: 198135 + 777 = 198912
Step 257: 198912 + 777 = 199689

So, 777*257 = 199689