Let's roll up our sleeves and solve this. We have 215 and we're going to multiply it by 245, essentially adding 215 to itself 245 times.
Step 1: 0 + 215 = 215
Step 2: 215 + 215 = 430
Step 3: 430 + 215 = 645
Step 4: 645 + 215 = 860
Step 5: 860 + 215 = 1075
Step 6: 1075 + 215 = 1290
Step 7: 1290 + 215 = 1505
Step 8: 1505 + 215 = 1720
Step 9: 1720 + 215 = 1935
Step 10: 1935 + 215 = 2150
Step 11: 2150 + 215 = 2365
Step 12: 2365 + 215 = 2580
Step 13: 2580 + 215 = 2795
Step 14: 2795 + 215 = 3010
Step 15: 3010 + 215 = 3225
Step 16: 3225 + 215 = 3440
Step 17: 3440 + 215 = 3655
Step 18: 3655 + 215 = 3870
Step 19: 3870 + 215 = 4085
Step 20: 4085 + 215 = 4300
Step 21: 4300 + 215 = 4515
Step 22: 4515 + 215 = 4730
Step 23: 4730 + 215 = 4945
Step 24: 4945 + 215 = 5160
Step 25: 5160 + 215 = 5375
Step 26: 5375 + 215 = 5590
Step 27: 5590 + 215 = 5805
Step 28: 5805 + 215 = 6020
Step 29: 6020 + 215 = 6235
Step 30: 6235 + 215 = 6450
Step 31: 6450 + 215 = 6665
Step 32: 6665 + 215 = 6880
Step 33: 6880 + 215 = 7095
Step 34: 7095 + 215 = 7310
Step 35: 7310 + 215 = 7525
Step 36: 7525 + 215 = 7740
Step 37: 7740 + 215 = 7955
Step 38: 7955 + 215 = 8170
Step 39: 8170 + 215 = 8385
Step 40: 8385 + 215 = 8600
Step 41: 8600 + 215 = 8815
Step 42: 8815 + 215 = 9030
Step 43: 9030 + 215 = 9245
Step 44: 9245 + 215 = 9460
Step 45: 9460 + 215 = 9675
Step 46: 9675 + 215 = 9890
Step 47: 9890 + 215 = 10105
Step 48: 10105 + 215 = 10320
Step 49: 10320 + 215 = 10535
Step 50: 10535 + 215 = 10750
Step 51: 10750 + 215 = 10965
Step 52: 10965 + 215 = 11180
Step 53: 11180 + 215 = 11395
Step 54: 11395 + 215 = 11610
Step 55: 11610 + 215 = 11825
Step 56: 11825 + 215 = 12040
Step 57: 12040 + 215 = 12255
Step 58: 12255 + 215 = 12470
Step 59: 12470 + 215 = 12685
Step 60: 12685 + 215 = 12900
Step 61: 12900 + 215 = 13115
Step 62: 13115 + 215 = 13330
Step 63: 13330 + 215 = 13545
Step 64: 13545 + 215 = 13760
Step 65: 13760 + 215 = 13975
Step 66: 13975 + 215 = 14190
Step 67: 14190 + 215 = 14405
Step 68: 14405 + 215 = 14620
Step 69: 14620 + 215 = 14835
Step 70: 14835 + 215 = 15050
Step 71: 15050 + 215 = 15265
Step 72: 15265 + 215 = 15480
Step 73: 15480 + 215 = 15695
Step 74: 15695 + 215 = 15910
Step 75: 15910 + 215 = 16125
Step 76: 16125 + 215 = 16340
Step 77: 16340 + 215 = 16555
Step 78: 16555 + 215 = 16770
Step 79: 16770 + 215 = 16985
Step 80: 16985 + 215 = 17200
Step 81: 17200 + 215 = 17415
Step 82: 17415 + 215 = 17630
Step 83: 17630 + 215 = 17845
Step 84: 17845 + 215 = 18060
Step 85: 18060 + 215 = 18275
Step 86: 18275 + 215 = 18490
Step 87: 18490 + 215 = 18705
Step 88: 18705 + 215 = 18920
Step 89: 18920 + 215 = 19135
Step 90: 19135 + 215 = 19350
Step 91: 19350 + 215 = 19565
Step 92: 19565 + 215 = 19780
Step 93: 19780 + 215 = 19995
Step 94: 19995 + 215 = 20210
Step 95: 20210 + 215 = 20425
Step 96: 20425 + 215 = 20640
Step 97: 20640 + 215 = 20855
Step 98: 20855 + 215 = 21070
Step 99: 21070 + 215 = 21285
Step 100: 21285 + 215 = 21500
Step 101: 21500 + 215 = 21715
Step 102: 21715 + 215 = 21930
Step 103: 21930 + 215 = 22145
Step 104: 22145 + 215 = 22360
Step 105: 22360 + 215 = 22575
Step 106: 22575 + 215 = 22790
Step 107: 22790 + 215 = 23005
Step 108: 23005 + 215 = 23220
Step 109: 23220 + 215 = 23435
Step 110: 23435 + 215 = 23650
Step 111: 23650 + 215 = 23865
Step 112: 23865 + 215 = 24080
Step 113: 24080 + 215 = 24295
Step 114: 24295 + 215 = 24510
Step 115: 24510 + 215 = 24725
Step 116: 24725 + 215 = 24940
Step 117: 24940 + 215 = 25155
Step 118: 25155 + 215 = 25370
Step 119: 25370 + 215 = 25585
Step 120: 25585 + 215 = 25800
Step 121: 25800 + 215 = 26015
Step 122: 26015 + 215 = 26230
Step 123: 26230 + 215 = 26445
Step 124: 26445 + 215 = 26660
Step 125: 26660 + 215 = 26875
Step 126: 26875 + 215 = 27090
Step 127: 27090 + 215 = 27305
Step 128: 27305 + 215 = 27520
Step 129: 27520 + 215 = 27735
Step 130: 27735 + 215 = 27950
Step 131: 27950 + 215 = 28165
Step 132: 28165 + 215 = 28380
Step 133: 28380 + 215 = 28595
Step 134: 28595 + 215 = 28810
Step 135: 28810 + 215 = 29025
Step 136: 29025 + 215 = 29240
Step 137: 29240 + 215 = 29455
Step 138: 29455 + 215 = 29670
Step 139: 29670 + 215 = 29885
Step 140: 29885 + 215 = 30100
Step 141: 30100 + 215 = 30315
Step 142: 30315 + 215 = 30530
Step 143: 30530 + 215 = 30745
Step 144: 30745 + 215 = 30960
Step 145: 30960 + 215 = 31175
Step 146: 31175 + 215 = 31390
Step 147: 31390 + 215 = 31605
Step 148: 31605 + 215 = 31820
Step 149: 31820 + 215 = 32035
Step 150: 32035 + 215 = 32250
Step 151: 32250 + 215 = 32465
Step 152: 32465 + 215 = 32680
Step 153: 32680 + 215 = 32895
Step 154: 32895 + 215 = 33110
Step 155: 33110 + 215 = 33325
Step 156: 33325 + 215 = 33540
Step 157: 33540 + 215 = 33755
Step 158: 33755 + 215 = 33970
Step 159: 33970 + 215 = 34185
Step 160: 34185 + 215 = 34400
Step 161: 34400 + 215 = 34615
Step 162: 34615 + 215 = 34830
Step 163: 34830 + 215 = 35045
Step 164: 35045 + 215 = 35260
Step 165: 35260 + 215 = 35475
Step 166: 35475 + 215 = 35690
Step 167: 35690 + 215 = 35905
Step 168: 35905 + 215 = 36120
Step 169: 36120 + 215 = 36335
Step 170: 36335 + 215 = 36550
Step 171: 36550 + 215 = 36765
Step 172: 36765 + 215 = 36980
Step 173: 36980 + 215 = 37195
Step 174: 37195 + 215 = 37410
Step 175: 37410 + 215 = 37625
Step 176: 37625 + 215 = 37840
Step 177: 37840 + 215 = 38055
Step 178: 38055 + 215 = 38270
Step 179: 38270 + 215 = 38485
Step 180: 38485 + 215 = 38700
Step 181: 38700 + 215 = 38915
Step 182: 38915 + 215 = 39130
Step 183: 39130 + 215 = 39345
Step 184: 39345 + 215 = 39560
Step 185: 39560 + 215 = 39775
Step 186: 39775 + 215 = 39990
Step 187: 39990 + 215 = 40205
Step 188: 40205 + 215 = 40420
Step 189: 40420 + 215 = 40635
Step 190: 40635 + 215 = 40850
Step 191: 40850 + 215 = 41065
Step 192: 41065 + 215 = 41280
Step 193: 41280 + 215 = 41495
Step 194: 41495 + 215 = 41710
Step 195: 41710 + 215 = 41925
Step 196: 41925 + 215 = 42140
Step 197: 42140 + 215 = 42355
Step 198: 42355 + 215 = 42570
Step 199: 42570 + 215 = 42785
Step 200: 42785 + 215 = 43000
Step 201: 43000 + 215 = 43215
Step 202: 43215 + 215 = 43430
Step 203: 43430 + 215 = 43645
Step 204: 43645 + 215 = 43860
Step 205: 43860 + 215 = 44075
Step 206: 44075 + 215 = 44290
Step 207: 44290 + 215 = 44505
Step 208: 44505 + 215 = 44720
Step 209: 44720 + 215 = 44935
Step 210: 44935 + 215 = 45150
Step 211: 45150 + 215 = 45365
Step 212: 45365 + 215 = 45580
Step 213: 45580 + 215 = 45795
Step 214: 45795 + 215 = 46010
Step 215: 46010 + 215 = 46225
Step 216: 46225 + 215 = 46440
Step 217: 46440 + 215 = 46655
Step 218: 46655 + 215 = 46870
Step 219: 46870 + 215 = 47085
Step 220: 47085 + 215 = 47300
Step 221: 47300 + 215 = 47515
Step 222: 47515 + 215 = 47730
Step 223: 47730 + 215 = 47945
Step 224: 47945 + 215 = 48160
Step 225: 48160 + 215 = 48375
Step 226: 48375 + 215 = 48590
Step 227: 48590 + 215 = 48805
Step 228: 48805 + 215 = 49020
Step 229: 49020 + 215 = 49235
Step 230: 49235 + 215 = 49450
Step 231: 49450 + 215 = 49665
Step 232: 49665 + 215 = 49880
Step 233: 49880 + 215 = 50095
Step 234: 50095 + 215 = 50310
Step 235: 50310 + 215 = 50525
Step 236: 50525 + 215 = 50740
Step 237: 50740 + 215 = 50955
Step 238: 50955 + 215 = 51170
Step 239: 51170 + 215 = 51385
Step 240: 51385 + 215 = 51600
Step 241: 51600 + 215 = 51815
Step 242: 51815 + 215 = 52030
Step 243: 52030 + 215 = 52245
Step 244: 52245 + 215 = 52460
Step 245: 52460 + 215 = 52675

So, 215*245 = 52675