Sure thing! We've got 254 and we're gonna multiply it by 315. That's the same as adding 254 to itself 315 times.
Step 1: 0 + 254 = 254
Step 2: 254 + 254 = 508
Step 3: 508 + 254 = 762
Step 4: 762 + 254 = 1016
Step 5: 1016 + 254 = 1270
Step 6: 1270 + 254 = 1524
Step 7: 1524 + 254 = 1778
Step 8: 1778 + 254 = 2032
Step 9: 2032 + 254 = 2286
Step 10: 2286 + 254 = 2540
Step 11: 2540 + 254 = 2794
Step 12: 2794 + 254 = 3048
Step 13: 3048 + 254 = 3302
Step 14: 3302 + 254 = 3556
Step 15: 3556 + 254 = 3810
Step 16: 3810 + 254 = 4064
Step 17: 4064 + 254 = 4318
Step 18: 4318 + 254 = 4572
Step 19: 4572 + 254 = 4826
Step 20: 4826 + 254 = 5080
Step 21: 5080 + 254 = 5334
Step 22: 5334 + 254 = 5588
Step 23: 5588 + 254 = 5842
Step 24: 5842 + 254 = 6096
Step 25: 6096 + 254 = 6350
Step 26: 6350 + 254 = 6604
Step 27: 6604 + 254 = 6858
Step 28: 6858 + 254 = 7112
Step 29: 7112 + 254 = 7366
Step 30: 7366 + 254 = 7620
Step 31: 7620 + 254 = 7874
Step 32: 7874 + 254 = 8128
Step 33: 8128 + 254 = 8382
Step 34: 8382 + 254 = 8636
Step 35: 8636 + 254 = 8890
Step 36: 8890 + 254 = 9144
Step 37: 9144 + 254 = 9398
Step 38: 9398 + 254 = 9652
Step 39: 9652 + 254 = 9906
Step 40: 9906 + 254 = 10160
Step 41: 10160 + 254 = 10414
Step 42: 10414 + 254 = 10668
Step 43: 10668 + 254 = 10922
Step 44: 10922 + 254 = 11176
Step 45: 11176 + 254 = 11430
Step 46: 11430 + 254 = 11684
Step 47: 11684 + 254 = 11938
Step 48: 11938 + 254 = 12192
Step 49: 12192 + 254 = 12446
Step 50: 12446 + 254 = 12700
Step 51: 12700 + 254 = 12954
Step 52: 12954 + 254 = 13208
Step 53: 13208 + 254 = 13462
Step 54: 13462 + 254 = 13716
Step 55: 13716 + 254 = 13970
Step 56: 13970 + 254 = 14224
Step 57: 14224 + 254 = 14478
Step 58: 14478 + 254 = 14732
Step 59: 14732 + 254 = 14986
Step 60: 14986 + 254 = 15240
Step 61: 15240 + 254 = 15494
Step 62: 15494 + 254 = 15748
Step 63: 15748 + 254 = 16002
Step 64: 16002 + 254 = 16256
Step 65: 16256 + 254 = 16510
Step 66: 16510 + 254 = 16764
Step 67: 16764 + 254 = 17018
Step 68: 17018 + 254 = 17272
Step 69: 17272 + 254 = 17526
Step 70: 17526 + 254 = 17780
Step 71: 17780 + 254 = 18034
Step 72: 18034 + 254 = 18288
Step 73: 18288 + 254 = 18542
Step 74: 18542 + 254 = 18796
Step 75: 18796 + 254 = 19050
Step 76: 19050 + 254 = 19304
Step 77: 19304 + 254 = 19558
Step 78: 19558 + 254 = 19812
Step 79: 19812 + 254 = 20066
Step 80: 20066 + 254 = 20320
Step 81: 20320 + 254 = 20574
Step 82: 20574 + 254 = 20828
Step 83: 20828 + 254 = 21082
Step 84: 21082 + 254 = 21336
Step 85: 21336 + 254 = 21590
Step 86: 21590 + 254 = 21844
Step 87: 21844 + 254 = 22098
Step 88: 22098 + 254 = 22352
Step 89: 22352 + 254 = 22606
Step 90: 22606 + 254 = 22860
Step 91: 22860 + 254 = 23114
Step 92: 23114 + 254 = 23368
Step 93: 23368 + 254 = 23622
Step 94: 23622 + 254 = 23876
Step 95: 23876 + 254 = 24130
Step 96: 24130 + 254 = 24384
Step 97: 24384 + 254 = 24638
Step 98: 24638 + 254 = 24892
Step 99: 24892 + 254 = 25146
Step 100: 25146 + 254 = 25400
Step 101: 25400 + 254 = 25654
Step 102: 25654 + 254 = 25908
Step 103: 25908 + 254 = 26162
Step 104: 26162 + 254 = 26416
Step 105: 26416 + 254 = 26670
Step 106: 26670 + 254 = 26924
Step 107: 26924 + 254 = 27178
Step 108: 27178 + 254 = 27432
Step 109: 27432 + 254 = 27686
Step 110: 27686 + 254 = 27940
Step 111: 27940 + 254 = 28194
Step 112: 28194 + 254 = 28448
Step 113: 28448 + 254 = 28702
Step 114: 28702 + 254 = 28956
Step 115: 28956 + 254 = 29210
Step 116: 29210 + 254 = 29464
Step 117: 29464 + 254 = 29718
Step 118: 29718 + 254 = 29972
Step 119: 29972 + 254 = 30226
Step 120: 30226 + 254 = 30480
Step 121: 30480 + 254 = 30734
Step 122: 30734 + 254 = 30988
Step 123: 30988 + 254 = 31242
Step 124: 31242 + 254 = 31496
Step 125: 31496 + 254 = 31750
Step 126: 31750 + 254 = 32004
Step 127: 32004 + 254 = 32258
Step 128: 32258 + 254 = 32512
Step 129: 32512 + 254 = 32766
Step 130: 32766 + 254 = 33020
Step 131: 33020 + 254 = 33274
Step 132: 33274 + 254 = 33528
Step 133: 33528 + 254 = 33782
Step 134: 33782 + 254 = 34036
Step 135: 34036 + 254 = 34290
Step 136: 34290 + 254 = 34544
Step 137: 34544 + 254 = 34798
Step 138: 34798 + 254 = 35052
Step 139: 35052 + 254 = 35306
Step 140: 35306 + 254 = 35560
Step 141: 35560 + 254 = 35814
Step 142: 35814 + 254 = 36068
Step 143: 36068 + 254 = 36322
Step 144: 36322 + 254 = 36576
Step 145: 36576 + 254 = 36830
Step 146: 36830 + 254 = 37084
Step 147: 37084 + 254 = 37338
Step 148: 37338 + 254 = 37592
Step 149: 37592 + 254 = 37846
Step 150: 37846 + 254 = 38100
Step 151: 38100 + 254 = 38354
Step 152: 38354 + 254 = 38608
Step 153: 38608 + 254 = 38862
Step 154: 38862 + 254 = 39116
Step 155: 39116 + 254 = 39370
Step 156: 39370 + 254 = 39624
Step 157: 39624 + 254 = 39878
Step 158: 39878 + 254 = 40132
Step 159: 40132 + 254 = 40386
Step 160: 40386 + 254 = 40640
Step 161: 40640 + 254 = 40894
Step 162: 40894 + 254 = 41148
Step 163: 41148 + 254 = 41402
Step 164: 41402 + 254 = 41656
Step 165: 41656 + 254 = 41910
Step 166: 41910 + 254 = 42164
Step 167: 42164 + 254 = 42418
Step 168: 42418 + 254 = 42672
Step 169: 42672 + 254 = 42926
Step 170: 42926 + 254 = 43180
Step 171: 43180 + 254 = 43434
Step 172: 43434 + 254 = 43688
Step 173: 43688 + 254 = 43942
Step 174: 43942 + 254 = 44196
Step 175: 44196 + 254 = 44450
Step 176: 44450 + 254 = 44704
Step 177: 44704 + 254 = 44958
Step 178: 44958 + 254 = 45212
Step 179: 45212 + 254 = 45466
Step 180: 45466 + 254 = 45720
Step 181: 45720 + 254 = 45974
Step 182: 45974 + 254 = 46228
Step 183: 46228 + 254 = 46482
Step 184: 46482 + 254 = 46736
Step 185: 46736 + 254 = 46990
Step 186: 46990 + 254 = 47244
Step 187: 47244 + 254 = 47498
Step 188: 47498 + 254 = 47752
Step 189: 47752 + 254 = 48006
Step 190: 48006 + 254 = 48260
Step 191: 48260 + 254 = 48514
Step 192: 48514 + 254 = 48768
Step 193: 48768 + 254 = 49022
Step 194: 49022 + 254 = 49276
Step 195: 49276 + 254 = 49530
Step 196: 49530 + 254 = 49784
Step 197: 49784 + 254 = 50038
Step 198: 50038 + 254 = 50292
Step 199: 50292 + 254 = 50546
Step 200: 50546 + 254 = 50800
Step 201: 50800 + 254 = 51054
Step 202: 51054 + 254 = 51308
Step 203: 51308 + 254 = 51562
Step 204: 51562 + 254 = 51816
Step 205: 51816 + 254 = 52070
Step 206: 52070 + 254 = 52324
Step 207: 52324 + 254 = 52578
Step 208: 52578 + 254 = 52832
Step 209: 52832 + 254 = 53086
Step 210: 53086 + 254 = 53340
Step 211: 53340 + 254 = 53594
Step 212: 53594 + 254 = 53848
Step 213: 53848 + 254 = 54102
Step 214: 54102 + 254 = 54356
Step 215: 54356 + 254 = 54610
Step 216: 54610 + 254 = 54864
Step 217: 54864 + 254 = 55118
Step 218: 55118 + 254 = 55372
Step 219: 55372 + 254 = 55626
Step 220: 55626 + 254 = 55880
Step 221: 55880 + 254 = 56134
Step 222: 56134 + 254 = 56388
Step 223: 56388 + 254 = 56642
Step 224: 56642 + 254 = 56896
Step 225: 56896 + 254 = 57150
Step 226: 57150 + 254 = 57404
Step 227: 57404 + 254 = 57658
Step 228: 57658 + 254 = 57912
Step 229: 57912 + 254 = 58166
Step 230: 58166 + 254 = 58420
Step 231: 58420 + 254 = 58674
Step 232: 58674 + 254 = 58928
Step 233: 58928 + 254 = 59182
Step 234: 59182 + 254 = 59436
Step 235: 59436 + 254 = 59690
Step 236: 59690 + 254 = 59944
Step 237: 59944 + 254 = 60198
Step 238: 60198 + 254 = 60452
Step 239: 60452 + 254 = 60706
Step 240: 60706 + 254 = 60960
Step 241: 60960 + 254 = 61214
Step 242: 61214 + 254 = 61468
Step 243: 61468 + 254 = 61722
Step 244: 61722 + 254 = 61976
Step 245: 61976 + 254 = 62230
Step 246: 62230 + 254 = 62484
Step 247: 62484 + 254 = 62738
Step 248: 62738 + 254 = 62992
Step 249: 62992 + 254 = 63246
Step 250: 63246 + 254 = 63500
Step 251: 63500 + 254 = 63754
Step 252: 63754 + 254 = 64008
Step 253: 64008 + 254 = 64262
Step 254: 64262 + 254 = 64516
Step 255: 64516 + 254 = 64770
Step 256: 64770 + 254 = 65024
Step 257: 65024 + 254 = 65278
Step 258: 65278 + 254 = 65532
Step 259: 65532 + 254 = 65786
Step 260: 65786 + 254 = 66040
Step 261: 66040 + 254 = 66294
Step 262: 66294 + 254 = 66548
Step 263: 66548 + 254 = 66802
Step 264: 66802 + 254 = 67056
Step 265: 67056 + 254 = 67310
Step 266: 67310 + 254 = 67564
Step 267: 67564 + 254 = 67818
Step 268: 67818 + 254 = 68072
Step 269: 68072 + 254 = 68326
Step 270: 68326 + 254 = 68580
Step 271: 68580 + 254 = 68834
Step 272: 68834 + 254 = 69088
Step 273: 69088 + 254 = 69342
Step 274: 69342 + 254 = 69596
Step 275: 69596 + 254 = 69850
Step 276: 69850 + 254 = 70104
Step 277: 70104 + 254 = 70358
Step 278: 70358 + 254 = 70612
Step 279: 70612 + 254 = 70866
Step 280: 70866 + 254 = 71120
Step 281: 71120 + 254 = 71374
Step 282: 71374 + 254 = 71628
Step 283: 71628 + 254 = 71882
Step 284: 71882 + 254 = 72136
Step 285: 72136 + 254 = 72390
Step 286: 72390 + 254 = 72644
Step 287: 72644 + 254 = 72898
Step 288: 72898 + 254 = 73152
Step 289: 73152 + 254 = 73406
Step 290: 73406 + 254 = 73660
Step 291: 73660 + 254 = 73914
Step 292: 73914 + 254 = 74168
Step 293: 74168 + 254 = 74422
Step 294: 74422 + 254 = 74676
Step 295: 74676 + 254 = 74930
Step 296: 74930 + 254 = 75184
Step 297: 75184 + 254 = 75438
Step 298: 75438 + 254 = 75692
Step 299: 75692 + 254 = 75946
Step 300: 75946 + 254 = 76200
Step 301: 76200 + 254 = 76454
Step 302: 76454 + 254 = 76708
Step 303: 76708 + 254 = 76962
Step 304: 76962 + 254 = 77216
Step 305: 77216 + 254 = 77470
Step 306: 77470 + 254 = 77724
Step 307: 77724 + 254 = 77978
Step 308: 77978 + 254 = 78232
Step 309: 78232 + 254 = 78486
Step 310: 78486 + 254 = 78740
Step 311: 78740 + 254 = 78994
Step 312: 78994 + 254 = 79248
Step 313: 79248 + 254 = 79502
Step 314: 79502 + 254 = 79756
Step 315: 79756 + 254 = 80010

So, 254*315 = 80010