Without delay, let's solve this. We've got 394 and we will be multiplying it by 138, that is, adding 394 to itself 138 times.
Step 1: 0 + 394 = 394
Step 2: 394 + 394 = 788
Step 3: 788 + 394 = 1182
Step 4: 1182 + 394 = 1576
Step 5: 1576 + 394 = 1970
Step 6: 1970 + 394 = 2364
Step 7: 2364 + 394 = 2758
Step 8: 2758 + 394 = 3152
Step 9: 3152 + 394 = 3546
Step 10: 3546 + 394 = 3940
Step 11: 3940 + 394 = 4334
Step 12: 4334 + 394 = 4728
Step 13: 4728 + 394 = 5122
Step 14: 5122 + 394 = 5516
Step 15: 5516 + 394 = 5910
Step 16: 5910 + 394 = 6304
Step 17: 6304 + 394 = 6698
Step 18: 6698 + 394 = 7092
Step 19: 7092 + 394 = 7486
Step 20: 7486 + 394 = 7880
Step 21: 7880 + 394 = 8274
Step 22: 8274 + 394 = 8668
Step 23: 8668 + 394 = 9062
Step 24: 9062 + 394 = 9456
Step 25: 9456 + 394 = 9850
Step 26: 9850 + 394 = 10244
Step 27: 10244 + 394 = 10638
Step 28: 10638 + 394 = 11032
Step 29: 11032 + 394 = 11426
Step 30: 11426 + 394 = 11820
Step 31: 11820 + 394 = 12214
Step 32: 12214 + 394 = 12608
Step 33: 12608 + 394 = 13002
Step 34: 13002 + 394 = 13396
Step 35: 13396 + 394 = 13790
Step 36: 13790 + 394 = 14184
Step 37: 14184 + 394 = 14578
Step 38: 14578 + 394 = 14972
Step 39: 14972 + 394 = 15366
Step 40: 15366 + 394 = 15760
Step 41: 15760 + 394 = 16154
Step 42: 16154 + 394 = 16548
Step 43: 16548 + 394 = 16942
Step 44: 16942 + 394 = 17336
Step 45: 17336 + 394 = 17730
Step 46: 17730 + 394 = 18124
Step 47: 18124 + 394 = 18518
Step 48: 18518 + 394 = 18912
Step 49: 18912 + 394 = 19306
Step 50: 19306 + 394 = 19700
Step 51: 19700 + 394 = 20094
Step 52: 20094 + 394 = 20488
Step 53: 20488 + 394 = 20882
Step 54: 20882 + 394 = 21276
Step 55: 21276 + 394 = 21670
Step 56: 21670 + 394 = 22064
Step 57: 22064 + 394 = 22458
Step 58: 22458 + 394 = 22852
Step 59: 22852 + 394 = 23246
Step 60: 23246 + 394 = 23640
Step 61: 23640 + 394 = 24034
Step 62: 24034 + 394 = 24428
Step 63: 24428 + 394 = 24822
Step 64: 24822 + 394 = 25216
Step 65: 25216 + 394 = 25610
Step 66: 25610 + 394 = 26004
Step 67: 26004 + 394 = 26398
Step 68: 26398 + 394 = 26792
Step 69: 26792 + 394 = 27186
Step 70: 27186 + 394 = 27580
Step 71: 27580 + 394 = 27974
Step 72: 27974 + 394 = 28368
Step 73: 28368 + 394 = 28762
Step 74: 28762 + 394 = 29156
Step 75: 29156 + 394 = 29550
Step 76: 29550 + 394 = 29944
Step 77: 29944 + 394 = 30338
Step 78: 30338 + 394 = 30732
Step 79: 30732 + 394 = 31126
Step 80: 31126 + 394 = 31520
Step 81: 31520 + 394 = 31914
Step 82: 31914 + 394 = 32308
Step 83: 32308 + 394 = 32702
Step 84: 32702 + 394 = 33096
Step 85: 33096 + 394 = 33490
Step 86: 33490 + 394 = 33884
Step 87: 33884 + 394 = 34278
Step 88: 34278 + 394 = 34672
Step 89: 34672 + 394 = 35066
Step 90: 35066 + 394 = 35460
Step 91: 35460 + 394 = 35854
Step 92: 35854 + 394 = 36248
Step 93: 36248 + 394 = 36642
Step 94: 36642 + 394 = 37036
Step 95: 37036 + 394 = 37430
Step 96: 37430 + 394 = 37824
Step 97: 37824 + 394 = 38218
Step 98: 38218 + 394 = 38612
Step 99: 38612 + 394 = 39006
Step 100: 39006 + 394 = 39400
Step 101: 39400 + 394 = 39794
Step 102: 39794 + 394 = 40188
Step 103: 40188 + 394 = 40582
Step 104: 40582 + 394 = 40976
Step 105: 40976 + 394 = 41370
Step 106: 41370 + 394 = 41764
Step 107: 41764 + 394 = 42158
Step 108: 42158 + 394 = 42552
Step 109: 42552 + 394 = 42946
Step 110: 42946 + 394 = 43340
Step 111: 43340 + 394 = 43734
Step 112: 43734 + 394 = 44128
Step 113: 44128 + 394 = 44522
Step 114: 44522 + 394 = 44916
Step 115: 44916 + 394 = 45310
Step 116: 45310 + 394 = 45704
Step 117: 45704 + 394 = 46098
Step 118: 46098 + 394 = 46492
Step 119: 46492 + 394 = 46886
Step 120: 46886 + 394 = 47280
Step 121: 47280 + 394 = 47674
Step 122: 47674 + 394 = 48068
Step 123: 48068 + 394 = 48462
Step 124: 48462 + 394 = 48856
Step 125: 48856 + 394 = 49250
Step 126: 49250 + 394 = 49644
Step 127: 49644 + 394 = 50038
Step 128: 50038 + 394 = 50432
Step 129: 50432 + 394 = 50826
Step 130: 50826 + 394 = 51220
Step 131: 51220 + 394 = 51614
Step 132: 51614 + 394 = 52008
Step 133: 52008 + 394 = 52402
Step 134: 52402 + 394 = 52796
Step 135: 52796 + 394 = 53190
Step 136: 53190 + 394 = 53584
Step 137: 53584 + 394 = 53978
Step 138: 53978 + 394 = 54372

So, 394*138 = 54372