Sure thing! We've got 542 and we're gonna multiply it by 260. That's the same as adding 542 to itself 260 times.
Step 1: 0 + 542 = 542
Step 2: 542 + 542 = 1084
Step 3: 1084 + 542 = 1626
Step 4: 1626 + 542 = 2168
Step 5: 2168 + 542 = 2710
Step 6: 2710 + 542 = 3252
Step 7: 3252 + 542 = 3794
Step 8: 3794 + 542 = 4336
Step 9: 4336 + 542 = 4878
Step 10: 4878 + 542 = 5420
Step 11: 5420 + 542 = 5962
Step 12: 5962 + 542 = 6504
Step 13: 6504 + 542 = 7046
Step 14: 7046 + 542 = 7588
Step 15: 7588 + 542 = 8130
Step 16: 8130 + 542 = 8672
Step 17: 8672 + 542 = 9214
Step 18: 9214 + 542 = 9756
Step 19: 9756 + 542 = 10298
Step 20: 10298 + 542 = 10840
Step 21: 10840 + 542 = 11382
Step 22: 11382 + 542 = 11924
Step 23: 11924 + 542 = 12466
Step 24: 12466 + 542 = 13008
Step 25: 13008 + 542 = 13550
Step 26: 13550 + 542 = 14092
Step 27: 14092 + 542 = 14634
Step 28: 14634 + 542 = 15176
Step 29: 15176 + 542 = 15718
Step 30: 15718 + 542 = 16260
Step 31: 16260 + 542 = 16802
Step 32: 16802 + 542 = 17344
Step 33: 17344 + 542 = 17886
Step 34: 17886 + 542 = 18428
Step 35: 18428 + 542 = 18970
Step 36: 18970 + 542 = 19512
Step 37: 19512 + 542 = 20054
Step 38: 20054 + 542 = 20596
Step 39: 20596 + 542 = 21138
Step 40: 21138 + 542 = 21680
Step 41: 21680 + 542 = 22222
Step 42: 22222 + 542 = 22764
Step 43: 22764 + 542 = 23306
Step 44: 23306 + 542 = 23848
Step 45: 23848 + 542 = 24390
Step 46: 24390 + 542 = 24932
Step 47: 24932 + 542 = 25474
Step 48: 25474 + 542 = 26016
Step 49: 26016 + 542 = 26558
Step 50: 26558 + 542 = 27100
Step 51: 27100 + 542 = 27642
Step 52: 27642 + 542 = 28184
Step 53: 28184 + 542 = 28726
Step 54: 28726 + 542 = 29268
Step 55: 29268 + 542 = 29810
Step 56: 29810 + 542 = 30352
Step 57: 30352 + 542 = 30894
Step 58: 30894 + 542 = 31436
Step 59: 31436 + 542 = 31978
Step 60: 31978 + 542 = 32520
Step 61: 32520 + 542 = 33062
Step 62: 33062 + 542 = 33604
Step 63: 33604 + 542 = 34146
Step 64: 34146 + 542 = 34688
Step 65: 34688 + 542 = 35230
Step 66: 35230 + 542 = 35772
Step 67: 35772 + 542 = 36314
Step 68: 36314 + 542 = 36856
Step 69: 36856 + 542 = 37398
Step 70: 37398 + 542 = 37940
Step 71: 37940 + 542 = 38482
Step 72: 38482 + 542 = 39024
Step 73: 39024 + 542 = 39566
Step 74: 39566 + 542 = 40108
Step 75: 40108 + 542 = 40650
Step 76: 40650 + 542 = 41192
Step 77: 41192 + 542 = 41734
Step 78: 41734 + 542 = 42276
Step 79: 42276 + 542 = 42818
Step 80: 42818 + 542 = 43360
Step 81: 43360 + 542 = 43902
Step 82: 43902 + 542 = 44444
Step 83: 44444 + 542 = 44986
Step 84: 44986 + 542 = 45528
Step 85: 45528 + 542 = 46070
Step 86: 46070 + 542 = 46612
Step 87: 46612 + 542 = 47154
Step 88: 47154 + 542 = 47696
Step 89: 47696 + 542 = 48238
Step 90: 48238 + 542 = 48780
Step 91: 48780 + 542 = 49322
Step 92: 49322 + 542 = 49864
Step 93: 49864 + 542 = 50406
Step 94: 50406 + 542 = 50948
Step 95: 50948 + 542 = 51490
Step 96: 51490 + 542 = 52032
Step 97: 52032 + 542 = 52574
Step 98: 52574 + 542 = 53116
Step 99: 53116 + 542 = 53658
Step 100: 53658 + 542 = 54200
Step 101: 54200 + 542 = 54742
Step 102: 54742 + 542 = 55284
Step 103: 55284 + 542 = 55826
Step 104: 55826 + 542 = 56368
Step 105: 56368 + 542 = 56910
Step 106: 56910 + 542 = 57452
Step 107: 57452 + 542 = 57994
Step 108: 57994 + 542 = 58536
Step 109: 58536 + 542 = 59078
Step 110: 59078 + 542 = 59620
Step 111: 59620 + 542 = 60162
Step 112: 60162 + 542 = 60704
Step 113: 60704 + 542 = 61246
Step 114: 61246 + 542 = 61788
Step 115: 61788 + 542 = 62330
Step 116: 62330 + 542 = 62872
Step 117: 62872 + 542 = 63414
Step 118: 63414 + 542 = 63956
Step 119: 63956 + 542 = 64498
Step 120: 64498 + 542 = 65040
Step 121: 65040 + 542 = 65582
Step 122: 65582 + 542 = 66124
Step 123: 66124 + 542 = 66666
Step 124: 66666 + 542 = 67208
Step 125: 67208 + 542 = 67750
Step 126: 67750 + 542 = 68292
Step 127: 68292 + 542 = 68834
Step 128: 68834 + 542 = 69376
Step 129: 69376 + 542 = 69918
Step 130: 69918 + 542 = 70460
Step 131: 70460 + 542 = 71002
Step 132: 71002 + 542 = 71544
Step 133: 71544 + 542 = 72086
Step 134: 72086 + 542 = 72628
Step 135: 72628 + 542 = 73170
Step 136: 73170 + 542 = 73712
Step 137: 73712 + 542 = 74254
Step 138: 74254 + 542 = 74796
Step 139: 74796 + 542 = 75338
Step 140: 75338 + 542 = 75880
Step 141: 75880 + 542 = 76422
Step 142: 76422 + 542 = 76964
Step 143: 76964 + 542 = 77506
Step 144: 77506 + 542 = 78048
Step 145: 78048 + 542 = 78590
Step 146: 78590 + 542 = 79132
Step 147: 79132 + 542 = 79674
Step 148: 79674 + 542 = 80216
Step 149: 80216 + 542 = 80758
Step 150: 80758 + 542 = 81300
Step 151: 81300 + 542 = 81842
Step 152: 81842 + 542 = 82384
Step 153: 82384 + 542 = 82926
Step 154: 82926 + 542 = 83468
Step 155: 83468 + 542 = 84010
Step 156: 84010 + 542 = 84552
Step 157: 84552 + 542 = 85094
Step 158: 85094 + 542 = 85636
Step 159: 85636 + 542 = 86178
Step 160: 86178 + 542 = 86720
Step 161: 86720 + 542 = 87262
Step 162: 87262 + 542 = 87804
Step 163: 87804 + 542 = 88346
Step 164: 88346 + 542 = 88888
Step 165: 88888 + 542 = 89430
Step 166: 89430 + 542 = 89972
Step 167: 89972 + 542 = 90514
Step 168: 90514 + 542 = 91056
Step 169: 91056 + 542 = 91598
Step 170: 91598 + 542 = 92140
Step 171: 92140 + 542 = 92682
Step 172: 92682 + 542 = 93224
Step 173: 93224 + 542 = 93766
Step 174: 93766 + 542 = 94308
Step 175: 94308 + 542 = 94850
Step 176: 94850 + 542 = 95392
Step 177: 95392 + 542 = 95934
Step 178: 95934 + 542 = 96476
Step 179: 96476 + 542 = 97018
Step 180: 97018 + 542 = 97560
Step 181: 97560 + 542 = 98102
Step 182: 98102 + 542 = 98644
Step 183: 98644 + 542 = 99186
Step 184: 99186 + 542 = 99728
Step 185: 99728 + 542 = 100270
Step 186: 100270 + 542 = 100812
Step 187: 100812 + 542 = 101354
Step 188: 101354 + 542 = 101896
Step 189: 101896 + 542 = 102438
Step 190: 102438 + 542 = 102980
Step 191: 102980 + 542 = 103522
Step 192: 103522 + 542 = 104064
Step 193: 104064 + 542 = 104606
Step 194: 104606 + 542 = 105148
Step 195: 105148 + 542 = 105690
Step 196: 105690 + 542 = 106232
Step 197: 106232 + 542 = 106774
Step 198: 106774 + 542 = 107316
Step 199: 107316 + 542 = 107858
Step 200: 107858 + 542 = 108400
Step 201: 108400 + 542 = 108942
Step 202: 108942 + 542 = 109484
Step 203: 109484 + 542 = 110026
Step 204: 110026 + 542 = 110568
Step 205: 110568 + 542 = 111110
Step 206: 111110 + 542 = 111652
Step 207: 111652 + 542 = 112194
Step 208: 112194 + 542 = 112736
Step 209: 112736 + 542 = 113278
Step 210: 113278 + 542 = 113820
Step 211: 113820 + 542 = 114362
Step 212: 114362 + 542 = 114904
Step 213: 114904 + 542 = 115446
Step 214: 115446 + 542 = 115988
Step 215: 115988 + 542 = 116530
Step 216: 116530 + 542 = 117072
Step 217: 117072 + 542 = 117614
Step 218: 117614 + 542 = 118156
Step 219: 118156 + 542 = 118698
Step 220: 118698 + 542 = 119240
Step 221: 119240 + 542 = 119782
Step 222: 119782 + 542 = 120324
Step 223: 120324 + 542 = 120866
Step 224: 120866 + 542 = 121408
Step 225: 121408 + 542 = 121950
Step 226: 121950 + 542 = 122492
Step 227: 122492 + 542 = 123034
Step 228: 123034 + 542 = 123576
Step 229: 123576 + 542 = 124118
Step 230: 124118 + 542 = 124660
Step 231: 124660 + 542 = 125202
Step 232: 125202 + 542 = 125744
Step 233: 125744 + 542 = 126286
Step 234: 126286 + 542 = 126828
Step 235: 126828 + 542 = 127370
Step 236: 127370 + 542 = 127912
Step 237: 127912 + 542 = 128454
Step 238: 128454 + 542 = 128996
Step 239: 128996 + 542 = 129538
Step 240: 129538 + 542 = 130080
Step 241: 130080 + 542 = 130622
Step 242: 130622 + 542 = 131164
Step 243: 131164 + 542 = 131706
Step 244: 131706 + 542 = 132248
Step 245: 132248 + 542 = 132790
Step 246: 132790 + 542 = 133332
Step 247: 133332 + 542 = 133874
Step 248: 133874 + 542 = 134416
Step 249: 134416 + 542 = 134958
Step 250: 134958 + 542 = 135500
Step 251: 135500 + 542 = 136042
Step 252: 136042 + 542 = 136584
Step 253: 136584 + 542 = 137126
Step 254: 137126 + 542 = 137668
Step 255: 137668 + 542 = 138210
Step 256: 138210 + 542 = 138752
Step 257: 138752 + 542 = 139294
Step 258: 139294 + 542 = 139836
Step 259: 139836 + 542 = 140378
Step 260: 140378 + 542 = 140920

So, 542*260 = 140920