Sure thing! We've got 411 and we're gonna multiply it by 126. That's the same as adding 411 to itself 126 times.
Step 1: 0 + 411 = 411
Step 2: 411 + 411 = 822
Step 3: 822 + 411 = 1233
Step 4: 1233 + 411 = 1644
Step 5: 1644 + 411 = 2055
Step 6: 2055 + 411 = 2466
Step 7: 2466 + 411 = 2877
Step 8: 2877 + 411 = 3288
Step 9: 3288 + 411 = 3699
Step 10: 3699 + 411 = 4110
Step 11: 4110 + 411 = 4521
Step 12: 4521 + 411 = 4932
Step 13: 4932 + 411 = 5343
Step 14: 5343 + 411 = 5754
Step 15: 5754 + 411 = 6165
Step 16: 6165 + 411 = 6576
Step 17: 6576 + 411 = 6987
Step 18: 6987 + 411 = 7398
Step 19: 7398 + 411 = 7809
Step 20: 7809 + 411 = 8220
Step 21: 8220 + 411 = 8631
Step 22: 8631 + 411 = 9042
Step 23: 9042 + 411 = 9453
Step 24: 9453 + 411 = 9864
Step 25: 9864 + 411 = 10275
Step 26: 10275 + 411 = 10686
Step 27: 10686 + 411 = 11097
Step 28: 11097 + 411 = 11508
Step 29: 11508 + 411 = 11919
Step 30: 11919 + 411 = 12330
Step 31: 12330 + 411 = 12741
Step 32: 12741 + 411 = 13152
Step 33: 13152 + 411 = 13563
Step 34: 13563 + 411 = 13974
Step 35: 13974 + 411 = 14385
Step 36: 14385 + 411 = 14796
Step 37: 14796 + 411 = 15207
Step 38: 15207 + 411 = 15618
Step 39: 15618 + 411 = 16029
Step 40: 16029 + 411 = 16440
Step 41: 16440 + 411 = 16851
Step 42: 16851 + 411 = 17262
Step 43: 17262 + 411 = 17673
Step 44: 17673 + 411 = 18084
Step 45: 18084 + 411 = 18495
Step 46: 18495 + 411 = 18906
Step 47: 18906 + 411 = 19317
Step 48: 19317 + 411 = 19728
Step 49: 19728 + 411 = 20139
Step 50: 20139 + 411 = 20550
Step 51: 20550 + 411 = 20961
Step 52: 20961 + 411 = 21372
Step 53: 21372 + 411 = 21783
Step 54: 21783 + 411 = 22194
Step 55: 22194 + 411 = 22605
Step 56: 22605 + 411 = 23016
Step 57: 23016 + 411 = 23427
Step 58: 23427 + 411 = 23838
Step 59: 23838 + 411 = 24249
Step 60: 24249 + 411 = 24660
Step 61: 24660 + 411 = 25071
Step 62: 25071 + 411 = 25482
Step 63: 25482 + 411 = 25893
Step 64: 25893 + 411 = 26304
Step 65: 26304 + 411 = 26715
Step 66: 26715 + 411 = 27126
Step 67: 27126 + 411 = 27537
Step 68: 27537 + 411 = 27948
Step 69: 27948 + 411 = 28359
Step 70: 28359 + 411 = 28770
Step 71: 28770 + 411 = 29181
Step 72: 29181 + 411 = 29592
Step 73: 29592 + 411 = 30003
Step 74: 30003 + 411 = 30414
Step 75: 30414 + 411 = 30825
Step 76: 30825 + 411 = 31236
Step 77: 31236 + 411 = 31647
Step 78: 31647 + 411 = 32058
Step 79: 32058 + 411 = 32469
Step 80: 32469 + 411 = 32880
Step 81: 32880 + 411 = 33291
Step 82: 33291 + 411 = 33702
Step 83: 33702 + 411 = 34113
Step 84: 34113 + 411 = 34524
Step 85: 34524 + 411 = 34935
Step 86: 34935 + 411 = 35346
Step 87: 35346 + 411 = 35757
Step 88: 35757 + 411 = 36168
Step 89: 36168 + 411 = 36579
Step 90: 36579 + 411 = 36990
Step 91: 36990 + 411 = 37401
Step 92: 37401 + 411 = 37812
Step 93: 37812 + 411 = 38223
Step 94: 38223 + 411 = 38634
Step 95: 38634 + 411 = 39045
Step 96: 39045 + 411 = 39456
Step 97: 39456 + 411 = 39867
Step 98: 39867 + 411 = 40278
Step 99: 40278 + 411 = 40689
Step 100: 40689 + 411 = 41100
Step 101: 41100 + 411 = 41511
Step 102: 41511 + 411 = 41922
Step 103: 41922 + 411 = 42333
Step 104: 42333 + 411 = 42744
Step 105: 42744 + 411 = 43155
Step 106: 43155 + 411 = 43566
Step 107: 43566 + 411 = 43977
Step 108: 43977 + 411 = 44388
Step 109: 44388 + 411 = 44799
Step 110: 44799 + 411 = 45210
Step 111: 45210 + 411 = 45621
Step 112: 45621 + 411 = 46032
Step 113: 46032 + 411 = 46443
Step 114: 46443 + 411 = 46854
Step 115: 46854 + 411 = 47265
Step 116: 47265 + 411 = 47676
Step 117: 47676 + 411 = 48087
Step 118: 48087 + 411 = 48498
Step 119: 48498 + 411 = 48909
Step 120: 48909 + 411 = 49320
Step 121: 49320 + 411 = 49731
Step 122: 49731 + 411 = 50142
Step 123: 50142 + 411 = 50553
Step 124: 50553 + 411 = 50964
Step 125: 50964 + 411 = 51375
Step 126: 51375 + 411 = 51786

So, 411*126 = 51786