Without delay, let's solve this. We've got 607 and we will be multiplying it by 104, that is, adding 607 to itself 104 times.
Step 1: 0 + 607 = 607
Step 2: 607 + 607 = 1214
Step 3: 1214 + 607 = 1821
Step 4: 1821 + 607 = 2428
Step 5: 2428 + 607 = 3035
Step 6: 3035 + 607 = 3642
Step 7: 3642 + 607 = 4249
Step 8: 4249 + 607 = 4856
Step 9: 4856 + 607 = 5463
Step 10: 5463 + 607 = 6070
Step 11: 6070 + 607 = 6677
Step 12: 6677 + 607 = 7284
Step 13: 7284 + 607 = 7891
Step 14: 7891 + 607 = 8498
Step 15: 8498 + 607 = 9105
Step 16: 9105 + 607 = 9712
Step 17: 9712 + 607 = 10319
Step 18: 10319 + 607 = 10926
Step 19: 10926 + 607 = 11533
Step 20: 11533 + 607 = 12140
Step 21: 12140 + 607 = 12747
Step 22: 12747 + 607 = 13354
Step 23: 13354 + 607 = 13961
Step 24: 13961 + 607 = 14568
Step 25: 14568 + 607 = 15175
Step 26: 15175 + 607 = 15782
Step 27: 15782 + 607 = 16389
Step 28: 16389 + 607 = 16996
Step 29: 16996 + 607 = 17603
Step 30: 17603 + 607 = 18210
Step 31: 18210 + 607 = 18817
Step 32: 18817 + 607 = 19424
Step 33: 19424 + 607 = 20031
Step 34: 20031 + 607 = 20638
Step 35: 20638 + 607 = 21245
Step 36: 21245 + 607 = 21852
Step 37: 21852 + 607 = 22459
Step 38: 22459 + 607 = 23066
Step 39: 23066 + 607 = 23673
Step 40: 23673 + 607 = 24280
Step 41: 24280 + 607 = 24887
Step 42: 24887 + 607 = 25494
Step 43: 25494 + 607 = 26101
Step 44: 26101 + 607 = 26708
Step 45: 26708 + 607 = 27315
Step 46: 27315 + 607 = 27922
Step 47: 27922 + 607 = 28529
Step 48: 28529 + 607 = 29136
Step 49: 29136 + 607 = 29743
Step 50: 29743 + 607 = 30350
Step 51: 30350 + 607 = 30957
Step 52: 30957 + 607 = 31564
Step 53: 31564 + 607 = 32171
Step 54: 32171 + 607 = 32778
Step 55: 32778 + 607 = 33385
Step 56: 33385 + 607 = 33992
Step 57: 33992 + 607 = 34599
Step 58: 34599 + 607 = 35206
Step 59: 35206 + 607 = 35813
Step 60: 35813 + 607 = 36420
Step 61: 36420 + 607 = 37027
Step 62: 37027 + 607 = 37634
Step 63: 37634 + 607 = 38241
Step 64: 38241 + 607 = 38848
Step 65: 38848 + 607 = 39455
Step 66: 39455 + 607 = 40062
Step 67: 40062 + 607 = 40669
Step 68: 40669 + 607 = 41276
Step 69: 41276 + 607 = 41883
Step 70: 41883 + 607 = 42490
Step 71: 42490 + 607 = 43097
Step 72: 43097 + 607 = 43704
Step 73: 43704 + 607 = 44311
Step 74: 44311 + 607 = 44918
Step 75: 44918 + 607 = 45525
Step 76: 45525 + 607 = 46132
Step 77: 46132 + 607 = 46739
Step 78: 46739 + 607 = 47346
Step 79: 47346 + 607 = 47953
Step 80: 47953 + 607 = 48560
Step 81: 48560 + 607 = 49167
Step 82: 49167 + 607 = 49774
Step 83: 49774 + 607 = 50381
Step 84: 50381 + 607 = 50988
Step 85: 50988 + 607 = 51595
Step 86: 51595 + 607 = 52202
Step 87: 52202 + 607 = 52809
Step 88: 52809 + 607 = 53416
Step 89: 53416 + 607 = 54023
Step 90: 54023 + 607 = 54630
Step 91: 54630 + 607 = 55237
Step 92: 55237 + 607 = 55844
Step 93: 55844 + 607 = 56451
Step 94: 56451 + 607 = 57058
Step 95: 57058 + 607 = 57665
Step 96: 57665 + 607 = 58272
Step 97: 58272 + 607 = 58879
Step 98: 58879 + 607 = 59486
Step 99: 59486 + 607 = 60093
Step 100: 60093 + 607 = 60700
Step 101: 60700 + 607 = 61307
Step 102: 61307 + 607 = 61914
Step 103: 61914 + 607 = 62521
Step 104: 62521 + 607 = 63128

So, 607*104 = 63128