Sure thing! We've got 41 and we're gonna multiply it by 100. That's the same as adding 41 to itself 100 times.
Step 1: 0 + 41 = 41
Step 2: 41 + 41 = 82
Step 3: 82 + 41 = 123
Step 4: 123 + 41 = 164
Step 5: 164 + 41 = 205
Step 6: 205 + 41 = 246
Step 7: 246 + 41 = 287
Step 8: 287 + 41 = 328
Step 9: 328 + 41 = 369
Step 10: 369 + 41 = 410
Step 11: 410 + 41 = 451
Step 12: 451 + 41 = 492
Step 13: 492 + 41 = 533
Step 14: 533 + 41 = 574
Step 15: 574 + 41 = 615
Step 16: 615 + 41 = 656
Step 17: 656 + 41 = 697
Step 18: 697 + 41 = 738
Step 19: 738 + 41 = 779
Step 20: 779 + 41 = 820
Step 21: 820 + 41 = 861
Step 22: 861 + 41 = 902
Step 23: 902 + 41 = 943
Step 24: 943 + 41 = 984
Step 25: 984 + 41 = 1025
Step 26: 1025 + 41 = 1066
Step 27: 1066 + 41 = 1107
Step 28: 1107 + 41 = 1148
Step 29: 1148 + 41 = 1189
Step 30: 1189 + 41 = 1230
Step 31: 1230 + 41 = 1271
Step 32: 1271 + 41 = 1312
Step 33: 1312 + 41 = 1353
Step 34: 1353 + 41 = 1394
Step 35: 1394 + 41 = 1435
Step 36: 1435 + 41 = 1476
Step 37: 1476 + 41 = 1517
Step 38: 1517 + 41 = 1558
Step 39: 1558 + 41 = 1599
Step 40: 1599 + 41 = 1640
Step 41: 1640 + 41 = 1681
Step 42: 1681 + 41 = 1722
Step 43: 1722 + 41 = 1763
Step 44: 1763 + 41 = 1804
Step 45: 1804 + 41 = 1845
Step 46: 1845 + 41 = 1886
Step 47: 1886 + 41 = 1927
Step 48: 1927 + 41 = 1968
Step 49: 1968 + 41 = 2009
Step 50: 2009 + 41 = 2050
Step 51: 2050 + 41 = 2091
Step 52: 2091 + 41 = 2132
Step 53: 2132 + 41 = 2173
Step 54: 2173 + 41 = 2214
Step 55: 2214 + 41 = 2255
Step 56: 2255 + 41 = 2296
Step 57: 2296 + 41 = 2337
Step 58: 2337 + 41 = 2378
Step 59: 2378 + 41 = 2419
Step 60: 2419 + 41 = 2460
Step 61: 2460 + 41 = 2501
Step 62: 2501 + 41 = 2542
Step 63: 2542 + 41 = 2583
Step 64: 2583 + 41 = 2624
Step 65: 2624 + 41 = 2665
Step 66: 2665 + 41 = 2706
Step 67: 2706 + 41 = 2747
Step 68: 2747 + 41 = 2788
Step 69: 2788 + 41 = 2829
Step 70: 2829 + 41 = 2870
Step 71: 2870 + 41 = 2911
Step 72: 2911 + 41 = 2952
Step 73: 2952 + 41 = 2993
Step 74: 2993 + 41 = 3034
Step 75: 3034 + 41 = 3075
Step 76: 3075 + 41 = 3116
Step 77: 3116 + 41 = 3157
Step 78: 3157 + 41 = 3198
Step 79: 3198 + 41 = 3239
Step 80: 3239 + 41 = 3280
Step 81: 3280 + 41 = 3321
Step 82: 3321 + 41 = 3362
Step 83: 3362 + 41 = 3403
Step 84: 3403 + 41 = 3444
Step 85: 3444 + 41 = 3485
Step 86: 3485 + 41 = 3526
Step 87: 3526 + 41 = 3567
Step 88: 3567 + 41 = 3608
Step 89: 3608 + 41 = 3649
Step 90: 3649 + 41 = 3690
Step 91: 3690 + 41 = 3731
Step 92: 3731 + 41 = 3772
Step 93: 3772 + 41 = 3813
Step 94: 3813 + 41 = 3854
Step 95: 3854 + 41 = 3895
Step 96: 3895 + 41 = 3936
Step 97: 3936 + 41 = 3977
Step 98: 3977 + 41 = 4018
Step 99: 4018 + 41 = 4059
Step 100: 4059 + 41 = 4100

So, 41*100 = 4100