Sure thing, let's get straight to it. We start with 719 and we're going to multiply it by 390, which means adding 719 to itself 390 times.
Step 1: 0 + 719 = 719
Step 2: 719 + 719 = 1438
Step 3: 1438 + 719 = 2157
Step 4: 2157 + 719 = 2876
Step 5: 2876 + 719 = 3595
Step 6: 3595 + 719 = 4314
Step 7: 4314 + 719 = 5033
Step 8: 5033 + 719 = 5752
Step 9: 5752 + 719 = 6471
Step 10: 6471 + 719 = 7190
Step 11: 7190 + 719 = 7909
Step 12: 7909 + 719 = 8628
Step 13: 8628 + 719 = 9347
Step 14: 9347 + 719 = 10066
Step 15: 10066 + 719 = 10785
Step 16: 10785 + 719 = 11504
Step 17: 11504 + 719 = 12223
Step 18: 12223 + 719 = 12942
Step 19: 12942 + 719 = 13661
Step 20: 13661 + 719 = 14380
Step 21: 14380 + 719 = 15099
Step 22: 15099 + 719 = 15818
Step 23: 15818 + 719 = 16537
Step 24: 16537 + 719 = 17256
Step 25: 17256 + 719 = 17975
Step 26: 17975 + 719 = 18694
Step 27: 18694 + 719 = 19413
Step 28: 19413 + 719 = 20132
Step 29: 20132 + 719 = 20851
Step 30: 20851 + 719 = 21570
Step 31: 21570 + 719 = 22289
Step 32: 22289 + 719 = 23008
Step 33: 23008 + 719 = 23727
Step 34: 23727 + 719 = 24446
Step 35: 24446 + 719 = 25165
Step 36: 25165 + 719 = 25884
Step 37: 25884 + 719 = 26603
Step 38: 26603 + 719 = 27322
Step 39: 27322 + 719 = 28041
Step 40: 28041 + 719 = 28760
Step 41: 28760 + 719 = 29479
Step 42: 29479 + 719 = 30198
Step 43: 30198 + 719 = 30917
Step 44: 30917 + 719 = 31636
Step 45: 31636 + 719 = 32355
Step 46: 32355 + 719 = 33074
Step 47: 33074 + 719 = 33793
Step 48: 33793 + 719 = 34512
Step 49: 34512 + 719 = 35231
Step 50: 35231 + 719 = 35950
Step 51: 35950 + 719 = 36669
Step 52: 36669 + 719 = 37388
Step 53: 37388 + 719 = 38107
Step 54: 38107 + 719 = 38826
Step 55: 38826 + 719 = 39545
Step 56: 39545 + 719 = 40264
Step 57: 40264 + 719 = 40983
Step 58: 40983 + 719 = 41702
Step 59: 41702 + 719 = 42421
Step 60: 42421 + 719 = 43140
Step 61: 43140 + 719 = 43859
Step 62: 43859 + 719 = 44578
Step 63: 44578 + 719 = 45297
Step 64: 45297 + 719 = 46016
Step 65: 46016 + 719 = 46735
Step 66: 46735 + 719 = 47454
Step 67: 47454 + 719 = 48173
Step 68: 48173 + 719 = 48892
Step 69: 48892 + 719 = 49611
Step 70: 49611 + 719 = 50330
Step 71: 50330 + 719 = 51049
Step 72: 51049 + 719 = 51768
Step 73: 51768 + 719 = 52487
Step 74: 52487 + 719 = 53206
Step 75: 53206 + 719 = 53925
Step 76: 53925 + 719 = 54644
Step 77: 54644 + 719 = 55363
Step 78: 55363 + 719 = 56082
Step 79: 56082 + 719 = 56801
Step 80: 56801 + 719 = 57520
Step 81: 57520 + 719 = 58239
Step 82: 58239 + 719 = 58958
Step 83: 58958 + 719 = 59677
Step 84: 59677 + 719 = 60396
Step 85: 60396 + 719 = 61115
Step 86: 61115 + 719 = 61834
Step 87: 61834 + 719 = 62553
Step 88: 62553 + 719 = 63272
Step 89: 63272 + 719 = 63991
Step 90: 63991 + 719 = 64710
Step 91: 64710 + 719 = 65429
Step 92: 65429 + 719 = 66148
Step 93: 66148 + 719 = 66867
Step 94: 66867 + 719 = 67586
Step 95: 67586 + 719 = 68305
Step 96: 68305 + 719 = 69024
Step 97: 69024 + 719 = 69743
Step 98: 69743 + 719 = 70462
Step 99: 70462 + 719 = 71181
Step 100: 71181 + 719 = 71900
Step 101: 71900 + 719 = 72619
Step 102: 72619 + 719 = 73338
Step 103: 73338 + 719 = 74057
Step 104: 74057 + 719 = 74776
Step 105: 74776 + 719 = 75495
Step 106: 75495 + 719 = 76214
Step 107: 76214 + 719 = 76933
Step 108: 76933 + 719 = 77652
Step 109: 77652 + 719 = 78371
Step 110: 78371 + 719 = 79090
Step 111: 79090 + 719 = 79809
Step 112: 79809 + 719 = 80528
Step 113: 80528 + 719 = 81247
Step 114: 81247 + 719 = 81966
Step 115: 81966 + 719 = 82685
Step 116: 82685 + 719 = 83404
Step 117: 83404 + 719 = 84123
Step 118: 84123 + 719 = 84842
Step 119: 84842 + 719 = 85561
Step 120: 85561 + 719 = 86280
Step 121: 86280 + 719 = 86999
Step 122: 86999 + 719 = 87718
Step 123: 87718 + 719 = 88437
Step 124: 88437 + 719 = 89156
Step 125: 89156 + 719 = 89875
Step 126: 89875 + 719 = 90594
Step 127: 90594 + 719 = 91313
Step 128: 91313 + 719 = 92032
Step 129: 92032 + 719 = 92751
Step 130: 92751 + 719 = 93470
Step 131: 93470 + 719 = 94189
Step 132: 94189 + 719 = 94908
Step 133: 94908 + 719 = 95627
Step 134: 95627 + 719 = 96346
Step 135: 96346 + 719 = 97065
Step 136: 97065 + 719 = 97784
Step 137: 97784 + 719 = 98503
Step 138: 98503 + 719 = 99222
Step 139: 99222 + 719 = 99941
Step 140: 99941 + 719 = 100660
Step 141: 100660 + 719 = 101379
Step 142: 101379 + 719 = 102098
Step 143: 102098 + 719 = 102817
Step 144: 102817 + 719 = 103536
Step 145: 103536 + 719 = 104255
Step 146: 104255 + 719 = 104974
Step 147: 104974 + 719 = 105693
Step 148: 105693 + 719 = 106412
Step 149: 106412 + 719 = 107131
Step 150: 107131 + 719 = 107850
Step 151: 107850 + 719 = 108569
Step 152: 108569 + 719 = 109288
Step 153: 109288 + 719 = 110007
Step 154: 110007 + 719 = 110726
Step 155: 110726 + 719 = 111445
Step 156: 111445 + 719 = 112164
Step 157: 112164 + 719 = 112883
Step 158: 112883 + 719 = 113602
Step 159: 113602 + 719 = 114321
Step 160: 114321 + 719 = 115040
Step 161: 115040 + 719 = 115759
Step 162: 115759 + 719 = 116478
Step 163: 116478 + 719 = 117197
Step 164: 117197 + 719 = 117916
Step 165: 117916 + 719 = 118635
Step 166: 118635 + 719 = 119354
Step 167: 119354 + 719 = 120073
Step 168: 120073 + 719 = 120792
Step 169: 120792 + 719 = 121511
Step 170: 121511 + 719 = 122230
Step 171: 122230 + 719 = 122949
Step 172: 122949 + 719 = 123668
Step 173: 123668 + 719 = 124387
Step 174: 124387 + 719 = 125106
Step 175: 125106 + 719 = 125825
Step 176: 125825 + 719 = 126544
Step 177: 126544 + 719 = 127263
Step 178: 127263 + 719 = 127982
Step 179: 127982 + 719 = 128701
Step 180: 128701 + 719 = 129420
Step 181: 129420 + 719 = 130139
Step 182: 130139 + 719 = 130858
Step 183: 130858 + 719 = 131577
Step 184: 131577 + 719 = 132296
Step 185: 132296 + 719 = 133015
Step 186: 133015 + 719 = 133734
Step 187: 133734 + 719 = 134453
Step 188: 134453 + 719 = 135172
Step 189: 135172 + 719 = 135891
Step 190: 135891 + 719 = 136610
Step 191: 136610 + 719 = 137329
Step 192: 137329 + 719 = 138048
Step 193: 138048 + 719 = 138767
Step 194: 138767 + 719 = 139486
Step 195: 139486 + 719 = 140205
Step 196: 140205 + 719 = 140924
Step 197: 140924 + 719 = 141643
Step 198: 141643 + 719 = 142362
Step 199: 142362 + 719 = 143081
Step 200: 143081 + 719 = 143800
Step 201: 143800 + 719 = 144519
Step 202: 144519 + 719 = 145238
Step 203: 145238 + 719 = 145957
Step 204: 145957 + 719 = 146676
Step 205: 146676 + 719 = 147395
Step 206: 147395 + 719 = 148114
Step 207: 148114 + 719 = 148833
Step 208: 148833 + 719 = 149552
Step 209: 149552 + 719 = 150271
Step 210: 150271 + 719 = 150990
Step 211: 150990 + 719 = 151709
Step 212: 151709 + 719 = 152428
Step 213: 152428 + 719 = 153147
Step 214: 153147 + 719 = 153866
Step 215: 153866 + 719 = 154585
Step 216: 154585 + 719 = 155304
Step 217: 155304 + 719 = 156023
Step 218: 156023 + 719 = 156742
Step 219: 156742 + 719 = 157461
Step 220: 157461 + 719 = 158180
Step 221: 158180 + 719 = 158899
Step 222: 158899 + 719 = 159618
Step 223: 159618 + 719 = 160337
Step 224: 160337 + 719 = 161056
Step 225: 161056 + 719 = 161775
Step 226: 161775 + 719 = 162494
Step 227: 162494 + 719 = 163213
Step 228: 163213 + 719 = 163932
Step 229: 163932 + 719 = 164651
Step 230: 164651 + 719 = 165370
Step 231: 165370 + 719 = 166089
Step 232: 166089 + 719 = 166808
Step 233: 166808 + 719 = 167527
Step 234: 167527 + 719 = 168246
Step 235: 168246 + 719 = 168965
Step 236: 168965 + 719 = 169684
Step 237: 169684 + 719 = 170403
Step 238: 170403 + 719 = 171122
Step 239: 171122 + 719 = 171841
Step 240: 171841 + 719 = 172560
Step 241: 172560 + 719 = 173279
Step 242: 173279 + 719 = 173998
Step 243: 173998 + 719 = 174717
Step 244: 174717 + 719 = 175436
Step 245: 175436 + 719 = 176155
Step 246: 176155 + 719 = 176874
Step 247: 176874 + 719 = 177593
Step 248: 177593 + 719 = 178312
Step 249: 178312 + 719 = 179031
Step 250: 179031 + 719 = 179750
Step 251: 179750 + 719 = 180469
Step 252: 180469 + 719 = 181188
Step 253: 181188 + 719 = 181907
Step 254: 181907 + 719 = 182626
Step 255: 182626 + 719 = 183345
Step 256: 183345 + 719 = 184064
Step 257: 184064 + 719 = 184783
Step 258: 184783 + 719 = 185502
Step 259: 185502 + 719 = 186221
Step 260: 186221 + 719 = 186940
Step 261: 186940 + 719 = 187659
Step 262: 187659 + 719 = 188378
Step 263: 188378 + 719 = 189097
Step 264: 189097 + 719 = 189816
Step 265: 189816 + 719 = 190535
Step 266: 190535 + 719 = 191254
Step 267: 191254 + 719 = 191973
Step 268: 191973 + 719 = 192692
Step 269: 192692 + 719 = 193411
Step 270: 193411 + 719 = 194130
Step 271: 194130 + 719 = 194849
Step 272: 194849 + 719 = 195568
Step 273: 195568 + 719 = 196287
Step 274: 196287 + 719 = 197006
Step 275: 197006 + 719 = 197725
Step 276: 197725 + 719 = 198444
Step 277: 198444 + 719 = 199163
Step 278: 199163 + 719 = 199882
Step 279: 199882 + 719 = 200601
Step 280: 200601 + 719 = 201320
Step 281: 201320 + 719 = 202039
Step 282: 202039 + 719 = 202758
Step 283: 202758 + 719 = 203477
Step 284: 203477 + 719 = 204196
Step 285: 204196 + 719 = 204915
Step 286: 204915 + 719 = 205634
Step 287: 205634 + 719 = 206353
Step 288: 206353 + 719 = 207072
Step 289: 207072 + 719 = 207791
Step 290: 207791 + 719 = 208510
Step 291: 208510 + 719 = 209229
Step 292: 209229 + 719 = 209948
Step 293: 209948 + 719 = 210667
Step 294: 210667 + 719 = 211386
Step 295: 211386 + 719 = 212105
Step 296: 212105 + 719 = 212824
Step 297: 212824 + 719 = 213543
Step 298: 213543 + 719 = 214262
Step 299: 214262 + 719 = 214981
Step 300: 214981 + 719 = 215700
Step 301: 215700 + 719 = 216419
Step 302: 216419 + 719 = 217138
Step 303: 217138 + 719 = 217857
Step 304: 217857 + 719 = 218576
Step 305: 218576 + 719 = 219295
Step 306: 219295 + 719 = 220014
Step 307: 220014 + 719 = 220733
Step 308: 220733 + 719 = 221452
Step 309: 221452 + 719 = 222171
Step 310: 222171 + 719 = 222890
Step 311: 222890 + 719 = 223609
Step 312: 223609 + 719 = 224328
Step 313: 224328 + 719 = 225047
Step 314: 225047 + 719 = 225766
Step 315: 225766 + 719 = 226485
Step 316: 226485 + 719 = 227204
Step 317: 227204 + 719 = 227923
Step 318: 227923 + 719 = 228642
Step 319: 228642 + 719 = 229361
Step 320: 229361 + 719 = 230080
Step 321: 230080 + 719 = 230799
Step 322: 230799 + 719 = 231518
Step 323: 231518 + 719 = 232237
Step 324: 232237 + 719 = 232956
Step 325: 232956 + 719 = 233675
Step 326: 233675 + 719 = 234394
Step 327: 234394 + 719 = 235113
Step 328: 235113 + 719 = 235832
Step 329: 235832 + 719 = 236551
Step 330: 236551 + 719 = 237270
Step 331: 237270 + 719 = 237989
Step 332: 237989 + 719 = 238708
Step 333: 238708 + 719 = 239427
Step 334: 239427 + 719 = 240146
Step 335: 240146 + 719 = 240865
Step 336: 240865 + 719 = 241584
Step 337: 241584 + 719 = 242303
Step 338: 242303 + 719 = 243022
Step 339: 243022 + 719 = 243741
Step 340: 243741 + 719 = 244460
Step 341: 244460 + 719 = 245179
Step 342: 245179 + 719 = 245898
Step 343: 245898 + 719 = 246617
Step 344: 246617 + 719 = 247336
Step 345: 247336 + 719 = 248055
Step 346: 248055 + 719 = 248774
Step 347: 248774 + 719 = 249493
Step 348: 249493 + 719 = 250212
Step 349: 250212 + 719 = 250931
Step 350: 250931 + 719 = 251650
Step 351: 251650 + 719 = 252369
Step 352: 252369 + 719 = 253088
Step 353: 253088 + 719 = 253807
Step 354: 253807 + 719 = 254526
Step 355: 254526 + 719 = 255245
Step 356: 255245 + 719 = 255964
Step 357: 255964 + 719 = 256683
Step 358: 256683 + 719 = 257402
Step 359: 257402 + 719 = 258121
Step 360: 258121 + 719 = 258840
Step 361: 258840 + 719 = 259559
Step 362: 259559 + 719 = 260278
Step 363: 260278 + 719 = 260997
Step 364: 260997 + 719 = 261716
Step 365: 261716 + 719 = 262435
Step 366: 262435 + 719 = 263154
Step 367: 263154 + 719 = 263873
Step 368: 263873 + 719 = 264592
Step 369: 264592 + 719 = 265311
Step 370: 265311 + 719 = 266030
Step 371: 266030 + 719 = 266749
Step 372: 266749 + 719 = 267468
Step 373: 267468 + 719 = 268187
Step 374: 268187 + 719 = 268906
Step 375: 268906 + 719 = 269625
Step 376: 269625 + 719 = 270344
Step 377: 270344 + 719 = 271063
Step 378: 271063 + 719 = 271782
Step 379: 271782 + 719 = 272501
Step 380: 272501 + 719 = 273220
Step 381: 273220 + 719 = 273939
Step 382: 273939 + 719 = 274658
Step 383: 274658 + 719 = 275377
Step 384: 275377 + 719 = 276096
Step 385: 276096 + 719 = 276815
Step 386: 276815 + 719 = 277534
Step 387: 277534 + 719 = 278253
Step 388: 278253 + 719 = 278972
Step 389: 278972 + 719 = 279691
Step 390: 279691 + 719 = 280410

So, 719*390 = 280410