OK, let's work through this together. We're starting with 9 and we're going to multiply it by 224, which means we add 9 to itself 224 times.
Step 1: 0 + 9 = 9
Step 2: 9 + 9 = 18
Step 3: 18 + 9 = 27
Step 4: 27 + 9 = 36
Step 5: 36 + 9 = 45
Step 6: 45 + 9 = 54
Step 7: 54 + 9 = 63
Step 8: 63 + 9 = 72
Step 9: 72 + 9 = 81
Step 10: 81 + 9 = 90
Step 11: 90 + 9 = 99
Step 12: 99 + 9 = 108
Step 13: 108 + 9 = 117
Step 14: 117 + 9 = 126
Step 15: 126 + 9 = 135
Step 16: 135 + 9 = 144
Step 17: 144 + 9 = 153
Step 18: 153 + 9 = 162
Step 19: 162 + 9 = 171
Step 20: 171 + 9 = 180
Step 21: 180 + 9 = 189
Step 22: 189 + 9 = 198
Step 23: 198 + 9 = 207
Step 24: 207 + 9 = 216
Step 25: 216 + 9 = 225
Step 26: 225 + 9 = 234
Step 27: 234 + 9 = 243
Step 28: 243 + 9 = 252
Step 29: 252 + 9 = 261
Step 30: 261 + 9 = 270
Step 31: 270 + 9 = 279
Step 32: 279 + 9 = 288
Step 33: 288 + 9 = 297
Step 34: 297 + 9 = 306
Step 35: 306 + 9 = 315
Step 36: 315 + 9 = 324
Step 37: 324 + 9 = 333
Step 38: 333 + 9 = 342
Step 39: 342 + 9 = 351
Step 40: 351 + 9 = 360
Step 41: 360 + 9 = 369
Step 42: 369 + 9 = 378
Step 43: 378 + 9 = 387
Step 44: 387 + 9 = 396
Step 45: 396 + 9 = 405
Step 46: 405 + 9 = 414
Step 47: 414 + 9 = 423
Step 48: 423 + 9 = 432
Step 49: 432 + 9 = 441
Step 50: 441 + 9 = 450
Step 51: 450 + 9 = 459
Step 52: 459 + 9 = 468
Step 53: 468 + 9 = 477
Step 54: 477 + 9 = 486
Step 55: 486 + 9 = 495
Step 56: 495 + 9 = 504
Step 57: 504 + 9 = 513
Step 58: 513 + 9 = 522
Step 59: 522 + 9 = 531
Step 60: 531 + 9 = 540
Step 61: 540 + 9 = 549
Step 62: 549 + 9 = 558
Step 63: 558 + 9 = 567
Step 64: 567 + 9 = 576
Step 65: 576 + 9 = 585
Step 66: 585 + 9 = 594
Step 67: 594 + 9 = 603
Step 68: 603 + 9 = 612
Step 69: 612 + 9 = 621
Step 70: 621 + 9 = 630
Step 71: 630 + 9 = 639
Step 72: 639 + 9 = 648
Step 73: 648 + 9 = 657
Step 74: 657 + 9 = 666
Step 75: 666 + 9 = 675
Step 76: 675 + 9 = 684
Step 77: 684 + 9 = 693
Step 78: 693 + 9 = 702
Step 79: 702 + 9 = 711
Step 80: 711 + 9 = 720
Step 81: 720 + 9 = 729
Step 82: 729 + 9 = 738
Step 83: 738 + 9 = 747
Step 84: 747 + 9 = 756
Step 85: 756 + 9 = 765
Step 86: 765 + 9 = 774
Step 87: 774 + 9 = 783
Step 88: 783 + 9 = 792
Step 89: 792 + 9 = 801
Step 90: 801 + 9 = 810
Step 91: 810 + 9 = 819
Step 92: 819 + 9 = 828
Step 93: 828 + 9 = 837
Step 94: 837 + 9 = 846
Step 95: 846 + 9 = 855
Step 96: 855 + 9 = 864
Step 97: 864 + 9 = 873
Step 98: 873 + 9 = 882
Step 99: 882 + 9 = 891
Step 100: 891 + 9 = 900
Step 101: 900 + 9 = 909
Step 102: 909 + 9 = 918
Step 103: 918 + 9 = 927
Step 104: 927 + 9 = 936
Step 105: 936 + 9 = 945
Step 106: 945 + 9 = 954
Step 107: 954 + 9 = 963
Step 108: 963 + 9 = 972
Step 109: 972 + 9 = 981
Step 110: 981 + 9 = 990
Step 111: 990 + 9 = 999
Step 112: 999 + 9 = 1008
Step 113: 1008 + 9 = 1017
Step 114: 1017 + 9 = 1026
Step 115: 1026 + 9 = 1035
Step 116: 1035 + 9 = 1044
Step 117: 1044 + 9 = 1053
Step 118: 1053 + 9 = 1062
Step 119: 1062 + 9 = 1071
Step 120: 1071 + 9 = 1080
Step 121: 1080 + 9 = 1089
Step 122: 1089 + 9 = 1098
Step 123: 1098 + 9 = 1107
Step 124: 1107 + 9 = 1116
Step 125: 1116 + 9 = 1125
Step 126: 1125 + 9 = 1134
Step 127: 1134 + 9 = 1143
Step 128: 1143 + 9 = 1152
Step 129: 1152 + 9 = 1161
Step 130: 1161 + 9 = 1170
Step 131: 1170 + 9 = 1179
Step 132: 1179 + 9 = 1188
Step 133: 1188 + 9 = 1197
Step 134: 1197 + 9 = 1206
Step 135: 1206 + 9 = 1215
Step 136: 1215 + 9 = 1224
Step 137: 1224 + 9 = 1233
Step 138: 1233 + 9 = 1242
Step 139: 1242 + 9 = 1251
Step 140: 1251 + 9 = 1260
Step 141: 1260 + 9 = 1269
Step 142: 1269 + 9 = 1278
Step 143: 1278 + 9 = 1287
Step 144: 1287 + 9 = 1296
Step 145: 1296 + 9 = 1305
Step 146: 1305 + 9 = 1314
Step 147: 1314 + 9 = 1323
Step 148: 1323 + 9 = 1332
Step 149: 1332 + 9 = 1341
Step 150: 1341 + 9 = 1350
Step 151: 1350 + 9 = 1359
Step 152: 1359 + 9 = 1368
Step 153: 1368 + 9 = 1377
Step 154: 1377 + 9 = 1386
Step 155: 1386 + 9 = 1395
Step 156: 1395 + 9 = 1404
Step 157: 1404 + 9 = 1413
Step 158: 1413 + 9 = 1422
Step 159: 1422 + 9 = 1431
Step 160: 1431 + 9 = 1440
Step 161: 1440 + 9 = 1449
Step 162: 1449 + 9 = 1458
Step 163: 1458 + 9 = 1467
Step 164: 1467 + 9 = 1476
Step 165: 1476 + 9 = 1485
Step 166: 1485 + 9 = 1494
Step 167: 1494 + 9 = 1503
Step 168: 1503 + 9 = 1512
Step 169: 1512 + 9 = 1521
Step 170: 1521 + 9 = 1530
Step 171: 1530 + 9 = 1539
Step 172: 1539 + 9 = 1548
Step 173: 1548 + 9 = 1557
Step 174: 1557 + 9 = 1566
Step 175: 1566 + 9 = 1575
Step 176: 1575 + 9 = 1584
Step 177: 1584 + 9 = 1593
Step 178: 1593 + 9 = 1602
Step 179: 1602 + 9 = 1611
Step 180: 1611 + 9 = 1620
Step 181: 1620 + 9 = 1629
Step 182: 1629 + 9 = 1638
Step 183: 1638 + 9 = 1647
Step 184: 1647 + 9 = 1656
Step 185: 1656 + 9 = 1665
Step 186: 1665 + 9 = 1674
Step 187: 1674 + 9 = 1683
Step 188: 1683 + 9 = 1692
Step 189: 1692 + 9 = 1701
Step 190: 1701 + 9 = 1710
Step 191: 1710 + 9 = 1719
Step 192: 1719 + 9 = 1728
Step 193: 1728 + 9 = 1737
Step 194: 1737 + 9 = 1746
Step 195: 1746 + 9 = 1755
Step 196: 1755 + 9 = 1764
Step 197: 1764 + 9 = 1773
Step 198: 1773 + 9 = 1782
Step 199: 1782 + 9 = 1791
Step 200: 1791 + 9 = 1800
Step 201: 1800 + 9 = 1809
Step 202: 1809 + 9 = 1818
Step 203: 1818 + 9 = 1827
Step 204: 1827 + 9 = 1836
Step 205: 1836 + 9 = 1845
Step 206: 1845 + 9 = 1854
Step 207: 1854 + 9 = 1863
Step 208: 1863 + 9 = 1872
Step 209: 1872 + 9 = 1881
Step 210: 1881 + 9 = 1890
Step 211: 1890 + 9 = 1899
Step 212: 1899 + 9 = 1908
Step 213: 1908 + 9 = 1917
Step 214: 1917 + 9 = 1926
Step 215: 1926 + 9 = 1935
Step 216: 1935 + 9 = 1944
Step 217: 1944 + 9 = 1953
Step 218: 1953 + 9 = 1962
Step 219: 1962 + 9 = 1971
Step 220: 1971 + 9 = 1980
Step 221: 1980 + 9 = 1989
Step 222: 1989 + 9 = 1998
Step 223: 1998 + 9 = 2007
Step 224: 2007 + 9 = 2016

So, 9*224 = 2016