Alright, let's solve this math problem step by step. First, we have the number 51. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 245. So, we're going to take the number 51 and add it to itself 245 times.
Step 1: 0 + 51 = 51
Step 2: 51 + 51 = 102
Step 3: 102 + 51 = 153
Step 4: 153 + 51 = 204
Step 5: 204 + 51 = 255
Step 6: 255 + 51 = 306
Step 7: 306 + 51 = 357
Step 8: 357 + 51 = 408
Step 9: 408 + 51 = 459
Step 10: 459 + 51 = 510
Step 11: 510 + 51 = 561
Step 12: 561 + 51 = 612
Step 13: 612 + 51 = 663
Step 14: 663 + 51 = 714
Step 15: 714 + 51 = 765
Step 16: 765 + 51 = 816
Step 17: 816 + 51 = 867
Step 18: 867 + 51 = 918
Step 19: 918 + 51 = 969
Step 20: 969 + 51 = 1020
Step 21: 1020 + 51 = 1071
Step 22: 1071 + 51 = 1122
Step 23: 1122 + 51 = 1173
Step 24: 1173 + 51 = 1224
Step 25: 1224 + 51 = 1275
Step 26: 1275 + 51 = 1326
Step 27: 1326 + 51 = 1377
Step 28: 1377 + 51 = 1428
Step 29: 1428 + 51 = 1479
Step 30: 1479 + 51 = 1530
Step 31: 1530 + 51 = 1581
Step 32: 1581 + 51 = 1632
Step 33: 1632 + 51 = 1683
Step 34: 1683 + 51 = 1734
Step 35: 1734 + 51 = 1785
Step 36: 1785 + 51 = 1836
Step 37: 1836 + 51 = 1887
Step 38: 1887 + 51 = 1938
Step 39: 1938 + 51 = 1989
Step 40: 1989 + 51 = 2040
Step 41: 2040 + 51 = 2091
Step 42: 2091 + 51 = 2142
Step 43: 2142 + 51 = 2193
Step 44: 2193 + 51 = 2244
Step 45: 2244 + 51 = 2295
Step 46: 2295 + 51 = 2346
Step 47: 2346 + 51 = 2397
Step 48: 2397 + 51 = 2448
Step 49: 2448 + 51 = 2499
Step 50: 2499 + 51 = 2550
Step 51: 2550 + 51 = 2601
Step 52: 2601 + 51 = 2652
Step 53: 2652 + 51 = 2703
Step 54: 2703 + 51 = 2754
Step 55: 2754 + 51 = 2805
Step 56: 2805 + 51 = 2856
Step 57: 2856 + 51 = 2907
Step 58: 2907 + 51 = 2958
Step 59: 2958 + 51 = 3009
Step 60: 3009 + 51 = 3060
Step 61: 3060 + 51 = 3111
Step 62: 3111 + 51 = 3162
Step 63: 3162 + 51 = 3213
Step 64: 3213 + 51 = 3264
Step 65: 3264 + 51 = 3315
Step 66: 3315 + 51 = 3366
Step 67: 3366 + 51 = 3417
Step 68: 3417 + 51 = 3468
Step 69: 3468 + 51 = 3519
Step 70: 3519 + 51 = 3570
Step 71: 3570 + 51 = 3621
Step 72: 3621 + 51 = 3672
Step 73: 3672 + 51 = 3723
Step 74: 3723 + 51 = 3774
Step 75: 3774 + 51 = 3825
Step 76: 3825 + 51 = 3876
Step 77: 3876 + 51 = 3927
Step 78: 3927 + 51 = 3978
Step 79: 3978 + 51 = 4029
Step 80: 4029 + 51 = 4080
Step 81: 4080 + 51 = 4131
Step 82: 4131 + 51 = 4182
Step 83: 4182 + 51 = 4233
Step 84: 4233 + 51 = 4284
Step 85: 4284 + 51 = 4335
Step 86: 4335 + 51 = 4386
Step 87: 4386 + 51 = 4437
Step 88: 4437 + 51 = 4488
Step 89: 4488 + 51 = 4539
Step 90: 4539 + 51 = 4590
Step 91: 4590 + 51 = 4641
Step 92: 4641 + 51 = 4692
Step 93: 4692 + 51 = 4743
Step 94: 4743 + 51 = 4794
Step 95: 4794 + 51 = 4845
Step 96: 4845 + 51 = 4896
Step 97: 4896 + 51 = 4947
Step 98: 4947 + 51 = 4998
Step 99: 4998 + 51 = 5049
Step 100: 5049 + 51 = 5100
Step 101: 5100 + 51 = 5151
Step 102: 5151 + 51 = 5202
Step 103: 5202 + 51 = 5253
Step 104: 5253 + 51 = 5304
Step 105: 5304 + 51 = 5355
Step 106: 5355 + 51 = 5406
Step 107: 5406 + 51 = 5457
Step 108: 5457 + 51 = 5508
Step 109: 5508 + 51 = 5559
Step 110: 5559 + 51 = 5610
Step 111: 5610 + 51 = 5661
Step 112: 5661 + 51 = 5712
Step 113: 5712 + 51 = 5763
Step 114: 5763 + 51 = 5814
Step 115: 5814 + 51 = 5865
Step 116: 5865 + 51 = 5916
Step 117: 5916 + 51 = 5967
Step 118: 5967 + 51 = 6018
Step 119: 6018 + 51 = 6069
Step 120: 6069 + 51 = 6120
Step 121: 6120 + 51 = 6171
Step 122: 6171 + 51 = 6222
Step 123: 6222 + 51 = 6273
Step 124: 6273 + 51 = 6324
Step 125: 6324 + 51 = 6375
Step 126: 6375 + 51 = 6426
Step 127: 6426 + 51 = 6477
Step 128: 6477 + 51 = 6528
Step 129: 6528 + 51 = 6579
Step 130: 6579 + 51 = 6630
Step 131: 6630 + 51 = 6681
Step 132: 6681 + 51 = 6732
Step 133: 6732 + 51 = 6783
Step 134: 6783 + 51 = 6834
Step 135: 6834 + 51 = 6885
Step 136: 6885 + 51 = 6936
Step 137: 6936 + 51 = 6987
Step 138: 6987 + 51 = 7038
Step 139: 7038 + 51 = 7089
Step 140: 7089 + 51 = 7140
Step 141: 7140 + 51 = 7191
Step 142: 7191 + 51 = 7242
Step 143: 7242 + 51 = 7293
Step 144: 7293 + 51 = 7344
Step 145: 7344 + 51 = 7395
Step 146: 7395 + 51 = 7446
Step 147: 7446 + 51 = 7497
Step 148: 7497 + 51 = 7548
Step 149: 7548 + 51 = 7599
Step 150: 7599 + 51 = 7650
Step 151: 7650 + 51 = 7701
Step 152: 7701 + 51 = 7752
Step 153: 7752 + 51 = 7803
Step 154: 7803 + 51 = 7854
Step 155: 7854 + 51 = 7905
Step 156: 7905 + 51 = 7956
Step 157: 7956 + 51 = 8007
Step 158: 8007 + 51 = 8058
Step 159: 8058 + 51 = 8109
Step 160: 8109 + 51 = 8160
Step 161: 8160 + 51 = 8211
Step 162: 8211 + 51 = 8262
Step 163: 8262 + 51 = 8313
Step 164: 8313 + 51 = 8364
Step 165: 8364 + 51 = 8415
Step 166: 8415 + 51 = 8466
Step 167: 8466 + 51 = 8517
Step 168: 8517 + 51 = 8568
Step 169: 8568 + 51 = 8619
Step 170: 8619 + 51 = 8670
Step 171: 8670 + 51 = 8721
Step 172: 8721 + 51 = 8772
Step 173: 8772 + 51 = 8823
Step 174: 8823 + 51 = 8874
Step 175: 8874 + 51 = 8925
Step 176: 8925 + 51 = 8976
Step 177: 8976 + 51 = 9027
Step 178: 9027 + 51 = 9078
Step 179: 9078 + 51 = 9129
Step 180: 9129 + 51 = 9180
Step 181: 9180 + 51 = 9231
Step 182: 9231 + 51 = 9282
Step 183: 9282 + 51 = 9333
Step 184: 9333 + 51 = 9384
Step 185: 9384 + 51 = 9435
Step 186: 9435 + 51 = 9486
Step 187: 9486 + 51 = 9537
Step 188: 9537 + 51 = 9588
Step 189: 9588 + 51 = 9639
Step 190: 9639 + 51 = 9690
Step 191: 9690 + 51 = 9741
Step 192: 9741 + 51 = 9792
Step 193: 9792 + 51 = 9843
Step 194: 9843 + 51 = 9894
Step 195: 9894 + 51 = 9945
Step 196: 9945 + 51 = 9996
Step 197: 9996 + 51 = 10047
Step 198: 10047 + 51 = 10098
Step 199: 10098 + 51 = 10149
Step 200: 10149 + 51 = 10200
Step 201: 10200 + 51 = 10251
Step 202: 10251 + 51 = 10302
Step 203: 10302 + 51 = 10353
Step 204: 10353 + 51 = 10404
Step 205: 10404 + 51 = 10455
Step 206: 10455 + 51 = 10506
Step 207: 10506 + 51 = 10557
Step 208: 10557 + 51 = 10608
Step 209: 10608 + 51 = 10659
Step 210: 10659 + 51 = 10710
Step 211: 10710 + 51 = 10761
Step 212: 10761 + 51 = 10812
Step 213: 10812 + 51 = 10863
Step 214: 10863 + 51 = 10914
Step 215: 10914 + 51 = 10965
Step 216: 10965 + 51 = 11016
Step 217: 11016 + 51 = 11067
Step 218: 11067 + 51 = 11118
Step 219: 11118 + 51 = 11169
Step 220: 11169 + 51 = 11220
Step 221: 11220 + 51 = 11271
Step 222: 11271 + 51 = 11322
Step 223: 11322 + 51 = 11373
Step 224: 11373 + 51 = 11424
Step 225: 11424 + 51 = 11475
Step 226: 11475 + 51 = 11526
Step 227: 11526 + 51 = 11577
Step 228: 11577 + 51 = 11628
Step 229: 11628 + 51 = 11679
Step 230: 11679 + 51 = 11730
Step 231: 11730 + 51 = 11781
Step 232: 11781 + 51 = 11832
Step 233: 11832 + 51 = 11883
Step 234: 11883 + 51 = 11934
Step 235: 11934 + 51 = 11985
Step 236: 11985 + 51 = 12036
Step 237: 12036 + 51 = 12087
Step 238: 12087 + 51 = 12138
Step 239: 12138 + 51 = 12189
Step 240: 12189 + 51 = 12240
Step 241: 12240 + 51 = 12291
Step 242: 12291 + 51 = 12342
Step 243: 12342 + 51 = 12393
Step 244: 12393 + 51 = 12444
Step 245: 12444 + 51 = 12495

So, 51*245 = 12495