Sure thing, let's get straight to it. We start with 111 and we're going to multiply it by 113, which means adding 111 to itself 113 times.
Step 1: 0 + 111 = 111
Step 2: 111 + 111 = 222
Step 3: 222 + 111 = 333
Step 4: 333 + 111 = 444
Step 5: 444 + 111 = 555
Step 6: 555 + 111 = 666
Step 7: 666 + 111 = 777
Step 8: 777 + 111 = 888
Step 9: 888 + 111 = 999
Step 10: 999 + 111 = 1110
Step 11: 1110 + 111 = 1221
Step 12: 1221 + 111 = 1332
Step 13: 1332 + 111 = 1443
Step 14: 1443 + 111 = 1554
Step 15: 1554 + 111 = 1665
Step 16: 1665 + 111 = 1776
Step 17: 1776 + 111 = 1887
Step 18: 1887 + 111 = 1998
Step 19: 1998 + 111 = 2109
Step 20: 2109 + 111 = 2220
Step 21: 2220 + 111 = 2331
Step 22: 2331 + 111 = 2442
Step 23: 2442 + 111 = 2553
Step 24: 2553 + 111 = 2664
Step 25: 2664 + 111 = 2775
Step 26: 2775 + 111 = 2886
Step 27: 2886 + 111 = 2997
Step 28: 2997 + 111 = 3108
Step 29: 3108 + 111 = 3219
Step 30: 3219 + 111 = 3330
Step 31: 3330 + 111 = 3441
Step 32: 3441 + 111 = 3552
Step 33: 3552 + 111 = 3663
Step 34: 3663 + 111 = 3774
Step 35: 3774 + 111 = 3885
Step 36: 3885 + 111 = 3996
Step 37: 3996 + 111 = 4107
Step 38: 4107 + 111 = 4218
Step 39: 4218 + 111 = 4329
Step 40: 4329 + 111 = 4440
Step 41: 4440 + 111 = 4551
Step 42: 4551 + 111 = 4662
Step 43: 4662 + 111 = 4773
Step 44: 4773 + 111 = 4884
Step 45: 4884 + 111 = 4995
Step 46: 4995 + 111 = 5106
Step 47: 5106 + 111 = 5217
Step 48: 5217 + 111 = 5328
Step 49: 5328 + 111 = 5439
Step 50: 5439 + 111 = 5550
Step 51: 5550 + 111 = 5661
Step 52: 5661 + 111 = 5772
Step 53: 5772 + 111 = 5883
Step 54: 5883 + 111 = 5994
Step 55: 5994 + 111 = 6105
Step 56: 6105 + 111 = 6216
Step 57: 6216 + 111 = 6327
Step 58: 6327 + 111 = 6438
Step 59: 6438 + 111 = 6549
Step 60: 6549 + 111 = 6660
Step 61: 6660 + 111 = 6771
Step 62: 6771 + 111 = 6882
Step 63: 6882 + 111 = 6993
Step 64: 6993 + 111 = 7104
Step 65: 7104 + 111 = 7215
Step 66: 7215 + 111 = 7326
Step 67: 7326 + 111 = 7437
Step 68: 7437 + 111 = 7548
Step 69: 7548 + 111 = 7659
Step 70: 7659 + 111 = 7770
Step 71: 7770 + 111 = 7881
Step 72: 7881 + 111 = 7992
Step 73: 7992 + 111 = 8103
Step 74: 8103 + 111 = 8214
Step 75: 8214 + 111 = 8325
Step 76: 8325 + 111 = 8436
Step 77: 8436 + 111 = 8547
Step 78: 8547 + 111 = 8658
Step 79: 8658 + 111 = 8769
Step 80: 8769 + 111 = 8880
Step 81: 8880 + 111 = 8991
Step 82: 8991 + 111 = 9102
Step 83: 9102 + 111 = 9213
Step 84: 9213 + 111 = 9324
Step 85: 9324 + 111 = 9435
Step 86: 9435 + 111 = 9546
Step 87: 9546 + 111 = 9657
Step 88: 9657 + 111 = 9768
Step 89: 9768 + 111 = 9879
Step 90: 9879 + 111 = 9990
Step 91: 9990 + 111 = 10101
Step 92: 10101 + 111 = 10212
Step 93: 10212 + 111 = 10323
Step 94: 10323 + 111 = 10434
Step 95: 10434 + 111 = 10545
Step 96: 10545 + 111 = 10656
Step 97: 10656 + 111 = 10767
Step 98: 10767 + 111 = 10878
Step 99: 10878 + 111 = 10989
Step 100: 10989 + 111 = 11100
Step 101: 11100 + 111 = 11211
Step 102: 11211 + 111 = 11322
Step 103: 11322 + 111 = 11433
Step 104: 11433 + 111 = 11544
Step 105: 11544 + 111 = 11655
Step 106: 11655 + 111 = 11766
Step 107: 11766 + 111 = 11877
Step 108: 11877 + 111 = 11988
Step 109: 11988 + 111 = 12099
Step 110: 12099 + 111 = 12210
Step 111: 12210 + 111 = 12321
Step 112: 12321 + 111 = 12432
Step 113: 12432 + 111 = 12543

So, 111*113 = 12543