Alright, let's solve this math problem step by step. First, we have the number 814. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 225. So, we're going to take the number 814 and add it to itself 225 times.
Step 1: 0 + 814 = 814
Step 2: 814 + 814 = 1628
Step 3: 1628 + 814 = 2442
Step 4: 2442 + 814 = 3256
Step 5: 3256 + 814 = 4070
Step 6: 4070 + 814 = 4884
Step 7: 4884 + 814 = 5698
Step 8: 5698 + 814 = 6512
Step 9: 6512 + 814 = 7326
Step 10: 7326 + 814 = 8140
Step 11: 8140 + 814 = 8954
Step 12: 8954 + 814 = 9768
Step 13: 9768 + 814 = 10582
Step 14: 10582 + 814 = 11396
Step 15: 11396 + 814 = 12210
Step 16: 12210 + 814 = 13024
Step 17: 13024 + 814 = 13838
Step 18: 13838 + 814 = 14652
Step 19: 14652 + 814 = 15466
Step 20: 15466 + 814 = 16280
Step 21: 16280 + 814 = 17094
Step 22: 17094 + 814 = 17908
Step 23: 17908 + 814 = 18722
Step 24: 18722 + 814 = 19536
Step 25: 19536 + 814 = 20350
Step 26: 20350 + 814 = 21164
Step 27: 21164 + 814 = 21978
Step 28: 21978 + 814 = 22792
Step 29: 22792 + 814 = 23606
Step 30: 23606 + 814 = 24420
Step 31: 24420 + 814 = 25234
Step 32: 25234 + 814 = 26048
Step 33: 26048 + 814 = 26862
Step 34: 26862 + 814 = 27676
Step 35: 27676 + 814 = 28490
Step 36: 28490 + 814 = 29304
Step 37: 29304 + 814 = 30118
Step 38: 30118 + 814 = 30932
Step 39: 30932 + 814 = 31746
Step 40: 31746 + 814 = 32560
Step 41: 32560 + 814 = 33374
Step 42: 33374 + 814 = 34188
Step 43: 34188 + 814 = 35002
Step 44: 35002 + 814 = 35816
Step 45: 35816 + 814 = 36630
Step 46: 36630 + 814 = 37444
Step 47: 37444 + 814 = 38258
Step 48: 38258 + 814 = 39072
Step 49: 39072 + 814 = 39886
Step 50: 39886 + 814 = 40700
Step 51: 40700 + 814 = 41514
Step 52: 41514 + 814 = 42328
Step 53: 42328 + 814 = 43142
Step 54: 43142 + 814 = 43956
Step 55: 43956 + 814 = 44770
Step 56: 44770 + 814 = 45584
Step 57: 45584 + 814 = 46398
Step 58: 46398 + 814 = 47212
Step 59: 47212 + 814 = 48026
Step 60: 48026 + 814 = 48840
Step 61: 48840 + 814 = 49654
Step 62: 49654 + 814 = 50468
Step 63: 50468 + 814 = 51282
Step 64: 51282 + 814 = 52096
Step 65: 52096 + 814 = 52910
Step 66: 52910 + 814 = 53724
Step 67: 53724 + 814 = 54538
Step 68: 54538 + 814 = 55352
Step 69: 55352 + 814 = 56166
Step 70: 56166 + 814 = 56980
Step 71: 56980 + 814 = 57794
Step 72: 57794 + 814 = 58608
Step 73: 58608 + 814 = 59422
Step 74: 59422 + 814 = 60236
Step 75: 60236 + 814 = 61050
Step 76: 61050 + 814 = 61864
Step 77: 61864 + 814 = 62678
Step 78: 62678 + 814 = 63492
Step 79: 63492 + 814 = 64306
Step 80: 64306 + 814 = 65120
Step 81: 65120 + 814 = 65934
Step 82: 65934 + 814 = 66748
Step 83: 66748 + 814 = 67562
Step 84: 67562 + 814 = 68376
Step 85: 68376 + 814 = 69190
Step 86: 69190 + 814 = 70004
Step 87: 70004 + 814 = 70818
Step 88: 70818 + 814 = 71632
Step 89: 71632 + 814 = 72446
Step 90: 72446 + 814 = 73260
Step 91: 73260 + 814 = 74074
Step 92: 74074 + 814 = 74888
Step 93: 74888 + 814 = 75702
Step 94: 75702 + 814 = 76516
Step 95: 76516 + 814 = 77330
Step 96: 77330 + 814 = 78144
Step 97: 78144 + 814 = 78958
Step 98: 78958 + 814 = 79772
Step 99: 79772 + 814 = 80586
Step 100: 80586 + 814 = 81400
Step 101: 81400 + 814 = 82214
Step 102: 82214 + 814 = 83028
Step 103: 83028 + 814 = 83842
Step 104: 83842 + 814 = 84656
Step 105: 84656 + 814 = 85470
Step 106: 85470 + 814 = 86284
Step 107: 86284 + 814 = 87098
Step 108: 87098 + 814 = 87912
Step 109: 87912 + 814 = 88726
Step 110: 88726 + 814 = 89540
Step 111: 89540 + 814 = 90354
Step 112: 90354 + 814 = 91168
Step 113: 91168 + 814 = 91982
Step 114: 91982 + 814 = 92796
Step 115: 92796 + 814 = 93610
Step 116: 93610 + 814 = 94424
Step 117: 94424 + 814 = 95238
Step 118: 95238 + 814 = 96052
Step 119: 96052 + 814 = 96866
Step 120: 96866 + 814 = 97680
Step 121: 97680 + 814 = 98494
Step 122: 98494 + 814 = 99308
Step 123: 99308 + 814 = 100122
Step 124: 100122 + 814 = 100936
Step 125: 100936 + 814 = 101750
Step 126: 101750 + 814 = 102564
Step 127: 102564 + 814 = 103378
Step 128: 103378 + 814 = 104192
Step 129: 104192 + 814 = 105006
Step 130: 105006 + 814 = 105820
Step 131: 105820 + 814 = 106634
Step 132: 106634 + 814 = 107448
Step 133: 107448 + 814 = 108262
Step 134: 108262 + 814 = 109076
Step 135: 109076 + 814 = 109890
Step 136: 109890 + 814 = 110704
Step 137: 110704 + 814 = 111518
Step 138: 111518 + 814 = 112332
Step 139: 112332 + 814 = 113146
Step 140: 113146 + 814 = 113960
Step 141: 113960 + 814 = 114774
Step 142: 114774 + 814 = 115588
Step 143: 115588 + 814 = 116402
Step 144: 116402 + 814 = 117216
Step 145: 117216 + 814 = 118030
Step 146: 118030 + 814 = 118844
Step 147: 118844 + 814 = 119658
Step 148: 119658 + 814 = 120472
Step 149: 120472 + 814 = 121286
Step 150: 121286 + 814 = 122100
Step 151: 122100 + 814 = 122914
Step 152: 122914 + 814 = 123728
Step 153: 123728 + 814 = 124542
Step 154: 124542 + 814 = 125356
Step 155: 125356 + 814 = 126170
Step 156: 126170 + 814 = 126984
Step 157: 126984 + 814 = 127798
Step 158: 127798 + 814 = 128612
Step 159: 128612 + 814 = 129426
Step 160: 129426 + 814 = 130240
Step 161: 130240 + 814 = 131054
Step 162: 131054 + 814 = 131868
Step 163: 131868 + 814 = 132682
Step 164: 132682 + 814 = 133496
Step 165: 133496 + 814 = 134310
Step 166: 134310 + 814 = 135124
Step 167: 135124 + 814 = 135938
Step 168: 135938 + 814 = 136752
Step 169: 136752 + 814 = 137566
Step 170: 137566 + 814 = 138380
Step 171: 138380 + 814 = 139194
Step 172: 139194 + 814 = 140008
Step 173: 140008 + 814 = 140822
Step 174: 140822 + 814 = 141636
Step 175: 141636 + 814 = 142450
Step 176: 142450 + 814 = 143264
Step 177: 143264 + 814 = 144078
Step 178: 144078 + 814 = 144892
Step 179: 144892 + 814 = 145706
Step 180: 145706 + 814 = 146520
Step 181: 146520 + 814 = 147334
Step 182: 147334 + 814 = 148148
Step 183: 148148 + 814 = 148962
Step 184: 148962 + 814 = 149776
Step 185: 149776 + 814 = 150590
Step 186: 150590 + 814 = 151404
Step 187: 151404 + 814 = 152218
Step 188: 152218 + 814 = 153032
Step 189: 153032 + 814 = 153846
Step 190: 153846 + 814 = 154660
Step 191: 154660 + 814 = 155474
Step 192: 155474 + 814 = 156288
Step 193: 156288 + 814 = 157102
Step 194: 157102 + 814 = 157916
Step 195: 157916 + 814 = 158730
Step 196: 158730 + 814 = 159544
Step 197: 159544 + 814 = 160358
Step 198: 160358 + 814 = 161172
Step 199: 161172 + 814 = 161986
Step 200: 161986 + 814 = 162800
Step 201: 162800 + 814 = 163614
Step 202: 163614 + 814 = 164428
Step 203: 164428 + 814 = 165242
Step 204: 165242 + 814 = 166056
Step 205: 166056 + 814 = 166870
Step 206: 166870 + 814 = 167684
Step 207: 167684 + 814 = 168498
Step 208: 168498 + 814 = 169312
Step 209: 169312 + 814 = 170126
Step 210: 170126 + 814 = 170940
Step 211: 170940 + 814 = 171754
Step 212: 171754 + 814 = 172568
Step 213: 172568 + 814 = 173382
Step 214: 173382 + 814 = 174196
Step 215: 174196 + 814 = 175010
Step 216: 175010 + 814 = 175824
Step 217: 175824 + 814 = 176638
Step 218: 176638 + 814 = 177452
Step 219: 177452 + 814 = 178266
Step 220: 178266 + 814 = 179080
Step 221: 179080 + 814 = 179894
Step 222: 179894 + 814 = 180708
Step 223: 180708 + 814 = 181522
Step 224: 181522 + 814 = 182336
Step 225: 182336 + 814 = 183150

So, 814*225 = 183150