Alright, let's solve this math problem step by step. First, we have the number 512. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 391. So, we're going to take the number 512 and add it to itself 391 times.
Step 1: 0 + 512 = 512
Step 2: 512 + 512 = 1024
Step 3: 1024 + 512 = 1536
Step 4: 1536 + 512 = 2048
Step 5: 2048 + 512 = 2560
Step 6: 2560 + 512 = 3072
Step 7: 3072 + 512 = 3584
Step 8: 3584 + 512 = 4096
Step 9: 4096 + 512 = 4608
Step 10: 4608 + 512 = 5120
Step 11: 5120 + 512 = 5632
Step 12: 5632 + 512 = 6144
Step 13: 6144 + 512 = 6656
Step 14: 6656 + 512 = 7168
Step 15: 7168 + 512 = 7680
Step 16: 7680 + 512 = 8192
Step 17: 8192 + 512 = 8704
Step 18: 8704 + 512 = 9216
Step 19: 9216 + 512 = 9728
Step 20: 9728 + 512 = 10240
Step 21: 10240 + 512 = 10752
Step 22: 10752 + 512 = 11264
Step 23: 11264 + 512 = 11776
Step 24: 11776 + 512 = 12288
Step 25: 12288 + 512 = 12800
Step 26: 12800 + 512 = 13312
Step 27: 13312 + 512 = 13824
Step 28: 13824 + 512 = 14336
Step 29: 14336 + 512 = 14848
Step 30: 14848 + 512 = 15360
Step 31: 15360 + 512 = 15872
Step 32: 15872 + 512 = 16384
Step 33: 16384 + 512 = 16896
Step 34: 16896 + 512 = 17408
Step 35: 17408 + 512 = 17920
Step 36: 17920 + 512 = 18432
Step 37: 18432 + 512 = 18944
Step 38: 18944 + 512 = 19456
Step 39: 19456 + 512 = 19968
Step 40: 19968 + 512 = 20480
Step 41: 20480 + 512 = 20992
Step 42: 20992 + 512 = 21504
Step 43: 21504 + 512 = 22016
Step 44: 22016 + 512 = 22528
Step 45: 22528 + 512 = 23040
Step 46: 23040 + 512 = 23552
Step 47: 23552 + 512 = 24064
Step 48: 24064 + 512 = 24576
Step 49: 24576 + 512 = 25088
Step 50: 25088 + 512 = 25600
Step 51: 25600 + 512 = 26112
Step 52: 26112 + 512 = 26624
Step 53: 26624 + 512 = 27136
Step 54: 27136 + 512 = 27648
Step 55: 27648 + 512 = 28160
Step 56: 28160 + 512 = 28672
Step 57: 28672 + 512 = 29184
Step 58: 29184 + 512 = 29696
Step 59: 29696 + 512 = 30208
Step 60: 30208 + 512 = 30720
Step 61: 30720 + 512 = 31232
Step 62: 31232 + 512 = 31744
Step 63: 31744 + 512 = 32256
Step 64: 32256 + 512 = 32768
Step 65: 32768 + 512 = 33280
Step 66: 33280 + 512 = 33792
Step 67: 33792 + 512 = 34304
Step 68: 34304 + 512 = 34816
Step 69: 34816 + 512 = 35328
Step 70: 35328 + 512 = 35840
Step 71: 35840 + 512 = 36352
Step 72: 36352 + 512 = 36864
Step 73: 36864 + 512 = 37376
Step 74: 37376 + 512 = 37888
Step 75: 37888 + 512 = 38400
Step 76: 38400 + 512 = 38912
Step 77: 38912 + 512 = 39424
Step 78: 39424 + 512 = 39936
Step 79: 39936 + 512 = 40448
Step 80: 40448 + 512 = 40960
Step 81: 40960 + 512 = 41472
Step 82: 41472 + 512 = 41984
Step 83: 41984 + 512 = 42496
Step 84: 42496 + 512 = 43008
Step 85: 43008 + 512 = 43520
Step 86: 43520 + 512 = 44032
Step 87: 44032 + 512 = 44544
Step 88: 44544 + 512 = 45056
Step 89: 45056 + 512 = 45568
Step 90: 45568 + 512 = 46080
Step 91: 46080 + 512 = 46592
Step 92: 46592 + 512 = 47104
Step 93: 47104 + 512 = 47616
Step 94: 47616 + 512 = 48128
Step 95: 48128 + 512 = 48640
Step 96: 48640 + 512 = 49152
Step 97: 49152 + 512 = 49664
Step 98: 49664 + 512 = 50176
Step 99: 50176 + 512 = 50688
Step 100: 50688 + 512 = 51200
Step 101: 51200 + 512 = 51712
Step 102: 51712 + 512 = 52224
Step 103: 52224 + 512 = 52736
Step 104: 52736 + 512 = 53248
Step 105: 53248 + 512 = 53760
Step 106: 53760 + 512 = 54272
Step 107: 54272 + 512 = 54784
Step 108: 54784 + 512 = 55296
Step 109: 55296 + 512 = 55808
Step 110: 55808 + 512 = 56320
Step 111: 56320 + 512 = 56832
Step 112: 56832 + 512 = 57344
Step 113: 57344 + 512 = 57856
Step 114: 57856 + 512 = 58368
Step 115: 58368 + 512 = 58880
Step 116: 58880 + 512 = 59392
Step 117: 59392 + 512 = 59904
Step 118: 59904 + 512 = 60416
Step 119: 60416 + 512 = 60928
Step 120: 60928 + 512 = 61440
Step 121: 61440 + 512 = 61952
Step 122: 61952 + 512 = 62464
Step 123: 62464 + 512 = 62976
Step 124: 62976 + 512 = 63488
Step 125: 63488 + 512 = 64000
Step 126: 64000 + 512 = 64512
Step 127: 64512 + 512 = 65024
Step 128: 65024 + 512 = 65536
Step 129: 65536 + 512 = 66048
Step 130: 66048 + 512 = 66560
Step 131: 66560 + 512 = 67072
Step 132: 67072 + 512 = 67584
Step 133: 67584 + 512 = 68096
Step 134: 68096 + 512 = 68608
Step 135: 68608 + 512 = 69120
Step 136: 69120 + 512 = 69632
Step 137: 69632 + 512 = 70144
Step 138: 70144 + 512 = 70656
Step 139: 70656 + 512 = 71168
Step 140: 71168 + 512 = 71680
Step 141: 71680 + 512 = 72192
Step 142: 72192 + 512 = 72704
Step 143: 72704 + 512 = 73216
Step 144: 73216 + 512 = 73728
Step 145: 73728 + 512 = 74240
Step 146: 74240 + 512 = 74752
Step 147: 74752 + 512 = 75264
Step 148: 75264 + 512 = 75776
Step 149: 75776 + 512 = 76288
Step 150: 76288 + 512 = 76800
Step 151: 76800 + 512 = 77312
Step 152: 77312 + 512 = 77824
Step 153: 77824 + 512 = 78336
Step 154: 78336 + 512 = 78848
Step 155: 78848 + 512 = 79360
Step 156: 79360 + 512 = 79872
Step 157: 79872 + 512 = 80384
Step 158: 80384 + 512 = 80896
Step 159: 80896 + 512 = 81408
Step 160: 81408 + 512 = 81920
Step 161: 81920 + 512 = 82432
Step 162: 82432 + 512 = 82944
Step 163: 82944 + 512 = 83456
Step 164: 83456 + 512 = 83968
Step 165: 83968 + 512 = 84480
Step 166: 84480 + 512 = 84992
Step 167: 84992 + 512 = 85504
Step 168: 85504 + 512 = 86016
Step 169: 86016 + 512 = 86528
Step 170: 86528 + 512 = 87040
Step 171: 87040 + 512 = 87552
Step 172: 87552 + 512 = 88064
Step 173: 88064 + 512 = 88576
Step 174: 88576 + 512 = 89088
Step 175: 89088 + 512 = 89600
Step 176: 89600 + 512 = 90112
Step 177: 90112 + 512 = 90624
Step 178: 90624 + 512 = 91136
Step 179: 91136 + 512 = 91648
Step 180: 91648 + 512 = 92160
Step 181: 92160 + 512 = 92672
Step 182: 92672 + 512 = 93184
Step 183: 93184 + 512 = 93696
Step 184: 93696 + 512 = 94208
Step 185: 94208 + 512 = 94720
Step 186: 94720 + 512 = 95232
Step 187: 95232 + 512 = 95744
Step 188: 95744 + 512 = 96256
Step 189: 96256 + 512 = 96768
Step 190: 96768 + 512 = 97280
Step 191: 97280 + 512 = 97792
Step 192: 97792 + 512 = 98304
Step 193: 98304 + 512 = 98816
Step 194: 98816 + 512 = 99328
Step 195: 99328 + 512 = 99840
Step 196: 99840 + 512 = 100352
Step 197: 100352 + 512 = 100864
Step 198: 100864 + 512 = 101376
Step 199: 101376 + 512 = 101888
Step 200: 101888 + 512 = 102400
Step 201: 102400 + 512 = 102912
Step 202: 102912 + 512 = 103424
Step 203: 103424 + 512 = 103936
Step 204: 103936 + 512 = 104448
Step 205: 104448 + 512 = 104960
Step 206: 104960 + 512 = 105472
Step 207: 105472 + 512 = 105984
Step 208: 105984 + 512 = 106496
Step 209: 106496 + 512 = 107008
Step 210: 107008 + 512 = 107520
Step 211: 107520 + 512 = 108032
Step 212: 108032 + 512 = 108544
Step 213: 108544 + 512 = 109056
Step 214: 109056 + 512 = 109568
Step 215: 109568 + 512 = 110080
Step 216: 110080 + 512 = 110592
Step 217: 110592 + 512 = 111104
Step 218: 111104 + 512 = 111616
Step 219: 111616 + 512 = 112128
Step 220: 112128 + 512 = 112640
Step 221: 112640 + 512 = 113152
Step 222: 113152 + 512 = 113664
Step 223: 113664 + 512 = 114176
Step 224: 114176 + 512 = 114688
Step 225: 114688 + 512 = 115200
Step 226: 115200 + 512 = 115712
Step 227: 115712 + 512 = 116224
Step 228: 116224 + 512 = 116736
Step 229: 116736 + 512 = 117248
Step 230: 117248 + 512 = 117760
Step 231: 117760 + 512 = 118272
Step 232: 118272 + 512 = 118784
Step 233: 118784 + 512 = 119296
Step 234: 119296 + 512 = 119808
Step 235: 119808 + 512 = 120320
Step 236: 120320 + 512 = 120832
Step 237: 120832 + 512 = 121344
Step 238: 121344 + 512 = 121856
Step 239: 121856 + 512 = 122368
Step 240: 122368 + 512 = 122880
Step 241: 122880 + 512 = 123392
Step 242: 123392 + 512 = 123904
Step 243: 123904 + 512 = 124416
Step 244: 124416 + 512 = 124928
Step 245: 124928 + 512 = 125440
Step 246: 125440 + 512 = 125952
Step 247: 125952 + 512 = 126464
Step 248: 126464 + 512 = 126976
Step 249: 126976 + 512 = 127488
Step 250: 127488 + 512 = 128000
Step 251: 128000 + 512 = 128512
Step 252: 128512 + 512 = 129024
Step 253: 129024 + 512 = 129536
Step 254: 129536 + 512 = 130048
Step 255: 130048 + 512 = 130560
Step 256: 130560 + 512 = 131072
Step 257: 131072 + 512 = 131584
Step 258: 131584 + 512 = 132096
Step 259: 132096 + 512 = 132608
Step 260: 132608 + 512 = 133120
Step 261: 133120 + 512 = 133632
Step 262: 133632 + 512 = 134144
Step 263: 134144 + 512 = 134656
Step 264: 134656 + 512 = 135168
Step 265: 135168 + 512 = 135680
Step 266: 135680 + 512 = 136192
Step 267: 136192 + 512 = 136704
Step 268: 136704 + 512 = 137216
Step 269: 137216 + 512 = 137728
Step 270: 137728 + 512 = 138240
Step 271: 138240 + 512 = 138752
Step 272: 138752 + 512 = 139264
Step 273: 139264 + 512 = 139776
Step 274: 139776 + 512 = 140288
Step 275: 140288 + 512 = 140800
Step 276: 140800 + 512 = 141312
Step 277: 141312 + 512 = 141824
Step 278: 141824 + 512 = 142336
Step 279: 142336 + 512 = 142848
Step 280: 142848 + 512 = 143360
Step 281: 143360 + 512 = 143872
Step 282: 143872 + 512 = 144384
Step 283: 144384 + 512 = 144896
Step 284: 144896 + 512 = 145408
Step 285: 145408 + 512 = 145920
Step 286: 145920 + 512 = 146432
Step 287: 146432 + 512 = 146944
Step 288: 146944 + 512 = 147456
Step 289: 147456 + 512 = 147968
Step 290: 147968 + 512 = 148480
Step 291: 148480 + 512 = 148992
Step 292: 148992 + 512 = 149504
Step 293: 149504 + 512 = 150016
Step 294: 150016 + 512 = 150528
Step 295: 150528 + 512 = 151040
Step 296: 151040 + 512 = 151552
Step 297: 151552 + 512 = 152064
Step 298: 152064 + 512 = 152576
Step 299: 152576 + 512 = 153088
Step 300: 153088 + 512 = 153600
Step 301: 153600 + 512 = 154112
Step 302: 154112 + 512 = 154624
Step 303: 154624 + 512 = 155136
Step 304: 155136 + 512 = 155648
Step 305: 155648 + 512 = 156160
Step 306: 156160 + 512 = 156672
Step 307: 156672 + 512 = 157184
Step 308: 157184 + 512 = 157696
Step 309: 157696 + 512 = 158208
Step 310: 158208 + 512 = 158720
Step 311: 158720 + 512 = 159232
Step 312: 159232 + 512 = 159744
Step 313: 159744 + 512 = 160256
Step 314: 160256 + 512 = 160768
Step 315: 160768 + 512 = 161280
Step 316: 161280 + 512 = 161792
Step 317: 161792 + 512 = 162304
Step 318: 162304 + 512 = 162816
Step 319: 162816 + 512 = 163328
Step 320: 163328 + 512 = 163840
Step 321: 163840 + 512 = 164352
Step 322: 164352 + 512 = 164864
Step 323: 164864 + 512 = 165376
Step 324: 165376 + 512 = 165888
Step 325: 165888 + 512 = 166400
Step 326: 166400 + 512 = 166912
Step 327: 166912 + 512 = 167424
Step 328: 167424 + 512 = 167936
Step 329: 167936 + 512 = 168448
Step 330: 168448 + 512 = 168960
Step 331: 168960 + 512 = 169472
Step 332: 169472 + 512 = 169984
Step 333: 169984 + 512 = 170496
Step 334: 170496 + 512 = 171008
Step 335: 171008 + 512 = 171520
Step 336: 171520 + 512 = 172032
Step 337: 172032 + 512 = 172544
Step 338: 172544 + 512 = 173056
Step 339: 173056 + 512 = 173568
Step 340: 173568 + 512 = 174080
Step 341: 174080 + 512 = 174592
Step 342: 174592 + 512 = 175104
Step 343: 175104 + 512 = 175616
Step 344: 175616 + 512 = 176128
Step 345: 176128 + 512 = 176640
Step 346: 176640 + 512 = 177152
Step 347: 177152 + 512 = 177664
Step 348: 177664 + 512 = 178176
Step 349: 178176 + 512 = 178688
Step 350: 178688 + 512 = 179200
Step 351: 179200 + 512 = 179712
Step 352: 179712 + 512 = 180224
Step 353: 180224 + 512 = 180736
Step 354: 180736 + 512 = 181248
Step 355: 181248 + 512 = 181760
Step 356: 181760 + 512 = 182272
Step 357: 182272 + 512 = 182784
Step 358: 182784 + 512 = 183296
Step 359: 183296 + 512 = 183808
Step 360: 183808 + 512 = 184320
Step 361: 184320 + 512 = 184832
Step 362: 184832 + 512 = 185344
Step 363: 185344 + 512 = 185856
Step 364: 185856 + 512 = 186368
Step 365: 186368 + 512 = 186880
Step 366: 186880 + 512 = 187392
Step 367: 187392 + 512 = 187904
Step 368: 187904 + 512 = 188416
Step 369: 188416 + 512 = 188928
Step 370: 188928 + 512 = 189440
Step 371: 189440 + 512 = 189952
Step 372: 189952 + 512 = 190464
Step 373: 190464 + 512 = 190976
Step 374: 190976 + 512 = 191488
Step 375: 191488 + 512 = 192000
Step 376: 192000 + 512 = 192512
Step 377: 192512 + 512 = 193024
Step 378: 193024 + 512 = 193536
Step 379: 193536 + 512 = 194048
Step 380: 194048 + 512 = 194560
Step 381: 194560 + 512 = 195072
Step 382: 195072 + 512 = 195584
Step 383: 195584 + 512 = 196096
Step 384: 196096 + 512 = 196608
Step 385: 196608 + 512 = 197120
Step 386: 197120 + 512 = 197632
Step 387: 197632 + 512 = 198144
Step 388: 198144 + 512 = 198656
Step 389: 198656 + 512 = 199168
Step 390: 199168 + 512 = 199680
Step 391: 199680 + 512 = 200192

So, 512*391 = 200192