Alright, let's solve this math problem step by step. First, we have the number 705. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 138. So, we're going to take the number 705 and add it to itself 138 times.
Step 1: 0 + 705 = 705
Step 2: 705 + 705 = 1410
Step 3: 1410 + 705 = 2115
Step 4: 2115 + 705 = 2820
Step 5: 2820 + 705 = 3525
Step 6: 3525 + 705 = 4230
Step 7: 4230 + 705 = 4935
Step 8: 4935 + 705 = 5640
Step 9: 5640 + 705 = 6345
Step 10: 6345 + 705 = 7050
Step 11: 7050 + 705 = 7755
Step 12: 7755 + 705 = 8460
Step 13: 8460 + 705 = 9165
Step 14: 9165 + 705 = 9870
Step 15: 9870 + 705 = 10575
Step 16: 10575 + 705 = 11280
Step 17: 11280 + 705 = 11985
Step 18: 11985 + 705 = 12690
Step 19: 12690 + 705 = 13395
Step 20: 13395 + 705 = 14100
Step 21: 14100 + 705 = 14805
Step 22: 14805 + 705 = 15510
Step 23: 15510 + 705 = 16215
Step 24: 16215 + 705 = 16920
Step 25: 16920 + 705 = 17625
Step 26: 17625 + 705 = 18330
Step 27: 18330 + 705 = 19035
Step 28: 19035 + 705 = 19740
Step 29: 19740 + 705 = 20445
Step 30: 20445 + 705 = 21150
Step 31: 21150 + 705 = 21855
Step 32: 21855 + 705 = 22560
Step 33: 22560 + 705 = 23265
Step 34: 23265 + 705 = 23970
Step 35: 23970 + 705 = 24675
Step 36: 24675 + 705 = 25380
Step 37: 25380 + 705 = 26085
Step 38: 26085 + 705 = 26790
Step 39: 26790 + 705 = 27495
Step 40: 27495 + 705 = 28200
Step 41: 28200 + 705 = 28905
Step 42: 28905 + 705 = 29610
Step 43: 29610 + 705 = 30315
Step 44: 30315 + 705 = 31020
Step 45: 31020 + 705 = 31725
Step 46: 31725 + 705 = 32430
Step 47: 32430 + 705 = 33135
Step 48: 33135 + 705 = 33840
Step 49: 33840 + 705 = 34545
Step 50: 34545 + 705 = 35250
Step 51: 35250 + 705 = 35955
Step 52: 35955 + 705 = 36660
Step 53: 36660 + 705 = 37365
Step 54: 37365 + 705 = 38070
Step 55: 38070 + 705 = 38775
Step 56: 38775 + 705 = 39480
Step 57: 39480 + 705 = 40185
Step 58: 40185 + 705 = 40890
Step 59: 40890 + 705 = 41595
Step 60: 41595 + 705 = 42300
Step 61: 42300 + 705 = 43005
Step 62: 43005 + 705 = 43710
Step 63: 43710 + 705 = 44415
Step 64: 44415 + 705 = 45120
Step 65: 45120 + 705 = 45825
Step 66: 45825 + 705 = 46530
Step 67: 46530 + 705 = 47235
Step 68: 47235 + 705 = 47940
Step 69: 47940 + 705 = 48645
Step 70: 48645 + 705 = 49350
Step 71: 49350 + 705 = 50055
Step 72: 50055 + 705 = 50760
Step 73: 50760 + 705 = 51465
Step 74: 51465 + 705 = 52170
Step 75: 52170 + 705 = 52875
Step 76: 52875 + 705 = 53580
Step 77: 53580 + 705 = 54285
Step 78: 54285 + 705 = 54990
Step 79: 54990 + 705 = 55695
Step 80: 55695 + 705 = 56400
Step 81: 56400 + 705 = 57105
Step 82: 57105 + 705 = 57810
Step 83: 57810 + 705 = 58515
Step 84: 58515 + 705 = 59220
Step 85: 59220 + 705 = 59925
Step 86: 59925 + 705 = 60630
Step 87: 60630 + 705 = 61335
Step 88: 61335 + 705 = 62040
Step 89: 62040 + 705 = 62745
Step 90: 62745 + 705 = 63450
Step 91: 63450 + 705 = 64155
Step 92: 64155 + 705 = 64860
Step 93: 64860 + 705 = 65565
Step 94: 65565 + 705 = 66270
Step 95: 66270 + 705 = 66975
Step 96: 66975 + 705 = 67680
Step 97: 67680 + 705 = 68385
Step 98: 68385 + 705 = 69090
Step 99: 69090 + 705 = 69795
Step 100: 69795 + 705 = 70500
Step 101: 70500 + 705 = 71205
Step 102: 71205 + 705 = 71910
Step 103: 71910 + 705 = 72615
Step 104: 72615 + 705 = 73320
Step 105: 73320 + 705 = 74025
Step 106: 74025 + 705 = 74730
Step 107: 74730 + 705 = 75435
Step 108: 75435 + 705 = 76140
Step 109: 76140 + 705 = 76845
Step 110: 76845 + 705 = 77550
Step 111: 77550 + 705 = 78255
Step 112: 78255 + 705 = 78960
Step 113: 78960 + 705 = 79665
Step 114: 79665 + 705 = 80370
Step 115: 80370 + 705 = 81075
Step 116: 81075 + 705 = 81780
Step 117: 81780 + 705 = 82485
Step 118: 82485 + 705 = 83190
Step 119: 83190 + 705 = 83895
Step 120: 83895 + 705 = 84600
Step 121: 84600 + 705 = 85305
Step 122: 85305 + 705 = 86010
Step 123: 86010 + 705 = 86715
Step 124: 86715 + 705 = 87420
Step 125: 87420 + 705 = 88125
Step 126: 88125 + 705 = 88830
Step 127: 88830 + 705 = 89535
Step 128: 89535 + 705 = 90240
Step 129: 90240 + 705 = 90945
Step 130: 90945 + 705 = 91650
Step 131: 91650 + 705 = 92355
Step 132: 92355 + 705 = 93060
Step 133: 93060 + 705 = 93765
Step 134: 93765 + 705 = 94470
Step 135: 94470 + 705 = 95175
Step 136: 95175 + 705 = 95880
Step 137: 95880 + 705 = 96585
Step 138: 96585 + 705 = 97290

So, 705*138 = 97290