OK, let's crack this. We're given 415 and our task is to multiply it by 213. Essentially, we'll be adding 415 to itself 213 times.
Step 1: 0 + 415 = 415
Step 2: 415 + 415 = 830
Step 3: 830 + 415 = 1245
Step 4: 1245 + 415 = 1660
Step 5: 1660 + 415 = 2075
Step 6: 2075 + 415 = 2490
Step 7: 2490 + 415 = 2905
Step 8: 2905 + 415 = 3320
Step 9: 3320 + 415 = 3735
Step 10: 3735 + 415 = 4150
Step 11: 4150 + 415 = 4565
Step 12: 4565 + 415 = 4980
Step 13: 4980 + 415 = 5395
Step 14: 5395 + 415 = 5810
Step 15: 5810 + 415 = 6225
Step 16: 6225 + 415 = 6640
Step 17: 6640 + 415 = 7055
Step 18: 7055 + 415 = 7470
Step 19: 7470 + 415 = 7885
Step 20: 7885 + 415 = 8300
Step 21: 8300 + 415 = 8715
Step 22: 8715 + 415 = 9130
Step 23: 9130 + 415 = 9545
Step 24: 9545 + 415 = 9960
Step 25: 9960 + 415 = 10375
Step 26: 10375 + 415 = 10790
Step 27: 10790 + 415 = 11205
Step 28: 11205 + 415 = 11620
Step 29: 11620 + 415 = 12035
Step 30: 12035 + 415 = 12450
Step 31: 12450 + 415 = 12865
Step 32: 12865 + 415 = 13280
Step 33: 13280 + 415 = 13695
Step 34: 13695 + 415 = 14110
Step 35: 14110 + 415 = 14525
Step 36: 14525 + 415 = 14940
Step 37: 14940 + 415 = 15355
Step 38: 15355 + 415 = 15770
Step 39: 15770 + 415 = 16185
Step 40: 16185 + 415 = 16600
Step 41: 16600 + 415 = 17015
Step 42: 17015 + 415 = 17430
Step 43: 17430 + 415 = 17845
Step 44: 17845 + 415 = 18260
Step 45: 18260 + 415 = 18675
Step 46: 18675 + 415 = 19090
Step 47: 19090 + 415 = 19505
Step 48: 19505 + 415 = 19920
Step 49: 19920 + 415 = 20335
Step 50: 20335 + 415 = 20750
Step 51: 20750 + 415 = 21165
Step 52: 21165 + 415 = 21580
Step 53: 21580 + 415 = 21995
Step 54: 21995 + 415 = 22410
Step 55: 22410 + 415 = 22825
Step 56: 22825 + 415 = 23240
Step 57: 23240 + 415 = 23655
Step 58: 23655 + 415 = 24070
Step 59: 24070 + 415 = 24485
Step 60: 24485 + 415 = 24900
Step 61: 24900 + 415 = 25315
Step 62: 25315 + 415 = 25730
Step 63: 25730 + 415 = 26145
Step 64: 26145 + 415 = 26560
Step 65: 26560 + 415 = 26975
Step 66: 26975 + 415 = 27390
Step 67: 27390 + 415 = 27805
Step 68: 27805 + 415 = 28220
Step 69: 28220 + 415 = 28635
Step 70: 28635 + 415 = 29050
Step 71: 29050 + 415 = 29465
Step 72: 29465 + 415 = 29880
Step 73: 29880 + 415 = 30295
Step 74: 30295 + 415 = 30710
Step 75: 30710 + 415 = 31125
Step 76: 31125 + 415 = 31540
Step 77: 31540 + 415 = 31955
Step 78: 31955 + 415 = 32370
Step 79: 32370 + 415 = 32785
Step 80: 32785 + 415 = 33200
Step 81: 33200 + 415 = 33615
Step 82: 33615 + 415 = 34030
Step 83: 34030 + 415 = 34445
Step 84: 34445 + 415 = 34860
Step 85: 34860 + 415 = 35275
Step 86: 35275 + 415 = 35690
Step 87: 35690 + 415 = 36105
Step 88: 36105 + 415 = 36520
Step 89: 36520 + 415 = 36935
Step 90: 36935 + 415 = 37350
Step 91: 37350 + 415 = 37765
Step 92: 37765 + 415 = 38180
Step 93: 38180 + 415 = 38595
Step 94: 38595 + 415 = 39010
Step 95: 39010 + 415 = 39425
Step 96: 39425 + 415 = 39840
Step 97: 39840 + 415 = 40255
Step 98: 40255 + 415 = 40670
Step 99: 40670 + 415 = 41085
Step 100: 41085 + 415 = 41500
Step 101: 41500 + 415 = 41915
Step 102: 41915 + 415 = 42330
Step 103: 42330 + 415 = 42745
Step 104: 42745 + 415 = 43160
Step 105: 43160 + 415 = 43575
Step 106: 43575 + 415 = 43990
Step 107: 43990 + 415 = 44405
Step 108: 44405 + 415 = 44820
Step 109: 44820 + 415 = 45235
Step 110: 45235 + 415 = 45650
Step 111: 45650 + 415 = 46065
Step 112: 46065 + 415 = 46480
Step 113: 46480 + 415 = 46895
Step 114: 46895 + 415 = 47310
Step 115: 47310 + 415 = 47725
Step 116: 47725 + 415 = 48140
Step 117: 48140 + 415 = 48555
Step 118: 48555 + 415 = 48970
Step 119: 48970 + 415 = 49385
Step 120: 49385 + 415 = 49800
Step 121: 49800 + 415 = 50215
Step 122: 50215 + 415 = 50630
Step 123: 50630 + 415 = 51045
Step 124: 51045 + 415 = 51460
Step 125: 51460 + 415 = 51875
Step 126: 51875 + 415 = 52290
Step 127: 52290 + 415 = 52705
Step 128: 52705 + 415 = 53120
Step 129: 53120 + 415 = 53535
Step 130: 53535 + 415 = 53950
Step 131: 53950 + 415 = 54365
Step 132: 54365 + 415 = 54780
Step 133: 54780 + 415 = 55195
Step 134: 55195 + 415 = 55610
Step 135: 55610 + 415 = 56025
Step 136: 56025 + 415 = 56440
Step 137: 56440 + 415 = 56855
Step 138: 56855 + 415 = 57270
Step 139: 57270 + 415 = 57685
Step 140: 57685 + 415 = 58100
Step 141: 58100 + 415 = 58515
Step 142: 58515 + 415 = 58930
Step 143: 58930 + 415 = 59345
Step 144: 59345 + 415 = 59760
Step 145: 59760 + 415 = 60175
Step 146: 60175 + 415 = 60590
Step 147: 60590 + 415 = 61005
Step 148: 61005 + 415 = 61420
Step 149: 61420 + 415 = 61835
Step 150: 61835 + 415 = 62250
Step 151: 62250 + 415 = 62665
Step 152: 62665 + 415 = 63080
Step 153: 63080 + 415 = 63495
Step 154: 63495 + 415 = 63910
Step 155: 63910 + 415 = 64325
Step 156: 64325 + 415 = 64740
Step 157: 64740 + 415 = 65155
Step 158: 65155 + 415 = 65570
Step 159: 65570 + 415 = 65985
Step 160: 65985 + 415 = 66400
Step 161: 66400 + 415 = 66815
Step 162: 66815 + 415 = 67230
Step 163: 67230 + 415 = 67645
Step 164: 67645 + 415 = 68060
Step 165: 68060 + 415 = 68475
Step 166: 68475 + 415 = 68890
Step 167: 68890 + 415 = 69305
Step 168: 69305 + 415 = 69720
Step 169: 69720 + 415 = 70135
Step 170: 70135 + 415 = 70550
Step 171: 70550 + 415 = 70965
Step 172: 70965 + 415 = 71380
Step 173: 71380 + 415 = 71795
Step 174: 71795 + 415 = 72210
Step 175: 72210 + 415 = 72625
Step 176: 72625 + 415 = 73040
Step 177: 73040 + 415 = 73455
Step 178: 73455 + 415 = 73870
Step 179: 73870 + 415 = 74285
Step 180: 74285 + 415 = 74700
Step 181: 74700 + 415 = 75115
Step 182: 75115 + 415 = 75530
Step 183: 75530 + 415 = 75945
Step 184: 75945 + 415 = 76360
Step 185: 76360 + 415 = 76775
Step 186: 76775 + 415 = 77190
Step 187: 77190 + 415 = 77605
Step 188: 77605 + 415 = 78020
Step 189: 78020 + 415 = 78435
Step 190: 78435 + 415 = 78850
Step 191: 78850 + 415 = 79265
Step 192: 79265 + 415 = 79680
Step 193: 79680 + 415 = 80095
Step 194: 80095 + 415 = 80510
Step 195: 80510 + 415 = 80925
Step 196: 80925 + 415 = 81340
Step 197: 81340 + 415 = 81755
Step 198: 81755 + 415 = 82170
Step 199: 82170 + 415 = 82585
Step 200: 82585 + 415 = 83000
Step 201: 83000 + 415 = 83415
Step 202: 83415 + 415 = 83830
Step 203: 83830 + 415 = 84245
Step 204: 84245 + 415 = 84660
Step 205: 84660 + 415 = 85075
Step 206: 85075 + 415 = 85490
Step 207: 85490 + 415 = 85905
Step 208: 85905 + 415 = 86320
Step 209: 86320 + 415 = 86735
Step 210: 86735 + 415 = 87150
Step 211: 87150 + 415 = 87565
Step 212: 87565 + 415 = 87980
Step 213: 87980 + 415 = 88395

So, 415*213 = 88395