Alright, let's solve this math problem step by step. First, we have the number 68. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 321. So, we're going to take the number 68 and add it to itself 321 times.
Step 1: 0 + 68 = 68
Step 2: 68 + 68 = 136
Step 3: 136 + 68 = 204
Step 4: 204 + 68 = 272
Step 5: 272 + 68 = 340
Step 6: 340 + 68 = 408
Step 7: 408 + 68 = 476
Step 8: 476 + 68 = 544
Step 9: 544 + 68 = 612
Step 10: 612 + 68 = 680
Step 11: 680 + 68 = 748
Step 12: 748 + 68 = 816
Step 13: 816 + 68 = 884
Step 14: 884 + 68 = 952
Step 15: 952 + 68 = 1020
Step 16: 1020 + 68 = 1088
Step 17: 1088 + 68 = 1156
Step 18: 1156 + 68 = 1224
Step 19: 1224 + 68 = 1292
Step 20: 1292 + 68 = 1360
Step 21: 1360 + 68 = 1428
Step 22: 1428 + 68 = 1496
Step 23: 1496 + 68 = 1564
Step 24: 1564 + 68 = 1632
Step 25: 1632 + 68 = 1700
Step 26: 1700 + 68 = 1768
Step 27: 1768 + 68 = 1836
Step 28: 1836 + 68 = 1904
Step 29: 1904 + 68 = 1972
Step 30: 1972 + 68 = 2040
Step 31: 2040 + 68 = 2108
Step 32: 2108 + 68 = 2176
Step 33: 2176 + 68 = 2244
Step 34: 2244 + 68 = 2312
Step 35: 2312 + 68 = 2380
Step 36: 2380 + 68 = 2448
Step 37: 2448 + 68 = 2516
Step 38: 2516 + 68 = 2584
Step 39: 2584 + 68 = 2652
Step 40: 2652 + 68 = 2720
Step 41: 2720 + 68 = 2788
Step 42: 2788 + 68 = 2856
Step 43: 2856 + 68 = 2924
Step 44: 2924 + 68 = 2992
Step 45: 2992 + 68 = 3060
Step 46: 3060 + 68 = 3128
Step 47: 3128 + 68 = 3196
Step 48: 3196 + 68 = 3264
Step 49: 3264 + 68 = 3332
Step 50: 3332 + 68 = 3400
Step 51: 3400 + 68 = 3468
Step 52: 3468 + 68 = 3536
Step 53: 3536 + 68 = 3604
Step 54: 3604 + 68 = 3672
Step 55: 3672 + 68 = 3740
Step 56: 3740 + 68 = 3808
Step 57: 3808 + 68 = 3876
Step 58: 3876 + 68 = 3944
Step 59: 3944 + 68 = 4012
Step 60: 4012 + 68 = 4080
Step 61: 4080 + 68 = 4148
Step 62: 4148 + 68 = 4216
Step 63: 4216 + 68 = 4284
Step 64: 4284 + 68 = 4352
Step 65: 4352 + 68 = 4420
Step 66: 4420 + 68 = 4488
Step 67: 4488 + 68 = 4556
Step 68: 4556 + 68 = 4624
Step 69: 4624 + 68 = 4692
Step 70: 4692 + 68 = 4760
Step 71: 4760 + 68 = 4828
Step 72: 4828 + 68 = 4896
Step 73: 4896 + 68 = 4964
Step 74: 4964 + 68 = 5032
Step 75: 5032 + 68 = 5100
Step 76: 5100 + 68 = 5168
Step 77: 5168 + 68 = 5236
Step 78: 5236 + 68 = 5304
Step 79: 5304 + 68 = 5372
Step 80: 5372 + 68 = 5440
Step 81: 5440 + 68 = 5508
Step 82: 5508 + 68 = 5576
Step 83: 5576 + 68 = 5644
Step 84: 5644 + 68 = 5712
Step 85: 5712 + 68 = 5780
Step 86: 5780 + 68 = 5848
Step 87: 5848 + 68 = 5916
Step 88: 5916 + 68 = 5984
Step 89: 5984 + 68 = 6052
Step 90: 6052 + 68 = 6120
Step 91: 6120 + 68 = 6188
Step 92: 6188 + 68 = 6256
Step 93: 6256 + 68 = 6324
Step 94: 6324 + 68 = 6392
Step 95: 6392 + 68 = 6460
Step 96: 6460 + 68 = 6528
Step 97: 6528 + 68 = 6596
Step 98: 6596 + 68 = 6664
Step 99: 6664 + 68 = 6732
Step 100: 6732 + 68 = 6800
Step 101: 6800 + 68 = 6868
Step 102: 6868 + 68 = 6936
Step 103: 6936 + 68 = 7004
Step 104: 7004 + 68 = 7072
Step 105: 7072 + 68 = 7140
Step 106: 7140 + 68 = 7208
Step 107: 7208 + 68 = 7276
Step 108: 7276 + 68 = 7344
Step 109: 7344 + 68 = 7412
Step 110: 7412 + 68 = 7480
Step 111: 7480 + 68 = 7548
Step 112: 7548 + 68 = 7616
Step 113: 7616 + 68 = 7684
Step 114: 7684 + 68 = 7752
Step 115: 7752 + 68 = 7820
Step 116: 7820 + 68 = 7888
Step 117: 7888 + 68 = 7956
Step 118: 7956 + 68 = 8024
Step 119: 8024 + 68 = 8092
Step 120: 8092 + 68 = 8160
Step 121: 8160 + 68 = 8228
Step 122: 8228 + 68 = 8296
Step 123: 8296 + 68 = 8364
Step 124: 8364 + 68 = 8432
Step 125: 8432 + 68 = 8500
Step 126: 8500 + 68 = 8568
Step 127: 8568 + 68 = 8636
Step 128: 8636 + 68 = 8704
Step 129: 8704 + 68 = 8772
Step 130: 8772 + 68 = 8840
Step 131: 8840 + 68 = 8908
Step 132: 8908 + 68 = 8976
Step 133: 8976 + 68 = 9044
Step 134: 9044 + 68 = 9112
Step 135: 9112 + 68 = 9180
Step 136: 9180 + 68 = 9248
Step 137: 9248 + 68 = 9316
Step 138: 9316 + 68 = 9384
Step 139: 9384 + 68 = 9452
Step 140: 9452 + 68 = 9520
Step 141: 9520 + 68 = 9588
Step 142: 9588 + 68 = 9656
Step 143: 9656 + 68 = 9724
Step 144: 9724 + 68 = 9792
Step 145: 9792 + 68 = 9860
Step 146: 9860 + 68 = 9928
Step 147: 9928 + 68 = 9996
Step 148: 9996 + 68 = 10064
Step 149: 10064 + 68 = 10132
Step 150: 10132 + 68 = 10200
Step 151: 10200 + 68 = 10268
Step 152: 10268 + 68 = 10336
Step 153: 10336 + 68 = 10404
Step 154: 10404 + 68 = 10472
Step 155: 10472 + 68 = 10540
Step 156: 10540 + 68 = 10608
Step 157: 10608 + 68 = 10676
Step 158: 10676 + 68 = 10744
Step 159: 10744 + 68 = 10812
Step 160: 10812 + 68 = 10880
Step 161: 10880 + 68 = 10948
Step 162: 10948 + 68 = 11016
Step 163: 11016 + 68 = 11084
Step 164: 11084 + 68 = 11152
Step 165: 11152 + 68 = 11220
Step 166: 11220 + 68 = 11288
Step 167: 11288 + 68 = 11356
Step 168: 11356 + 68 = 11424
Step 169: 11424 + 68 = 11492
Step 170: 11492 + 68 = 11560
Step 171: 11560 + 68 = 11628
Step 172: 11628 + 68 = 11696
Step 173: 11696 + 68 = 11764
Step 174: 11764 + 68 = 11832
Step 175: 11832 + 68 = 11900
Step 176: 11900 + 68 = 11968
Step 177: 11968 + 68 = 12036
Step 178: 12036 + 68 = 12104
Step 179: 12104 + 68 = 12172
Step 180: 12172 + 68 = 12240
Step 181: 12240 + 68 = 12308
Step 182: 12308 + 68 = 12376
Step 183: 12376 + 68 = 12444
Step 184: 12444 + 68 = 12512
Step 185: 12512 + 68 = 12580
Step 186: 12580 + 68 = 12648
Step 187: 12648 + 68 = 12716
Step 188: 12716 + 68 = 12784
Step 189: 12784 + 68 = 12852
Step 190: 12852 + 68 = 12920
Step 191: 12920 + 68 = 12988
Step 192: 12988 + 68 = 13056
Step 193: 13056 + 68 = 13124
Step 194: 13124 + 68 = 13192
Step 195: 13192 + 68 = 13260
Step 196: 13260 + 68 = 13328
Step 197: 13328 + 68 = 13396
Step 198: 13396 + 68 = 13464
Step 199: 13464 + 68 = 13532
Step 200: 13532 + 68 = 13600
Step 201: 13600 + 68 = 13668
Step 202: 13668 + 68 = 13736
Step 203: 13736 + 68 = 13804
Step 204: 13804 + 68 = 13872
Step 205: 13872 + 68 = 13940
Step 206: 13940 + 68 = 14008
Step 207: 14008 + 68 = 14076
Step 208: 14076 + 68 = 14144
Step 209: 14144 + 68 = 14212
Step 210: 14212 + 68 = 14280
Step 211: 14280 + 68 = 14348
Step 212: 14348 + 68 = 14416
Step 213: 14416 + 68 = 14484
Step 214: 14484 + 68 = 14552
Step 215: 14552 + 68 = 14620
Step 216: 14620 + 68 = 14688
Step 217: 14688 + 68 = 14756
Step 218: 14756 + 68 = 14824
Step 219: 14824 + 68 = 14892
Step 220: 14892 + 68 = 14960
Step 221: 14960 + 68 = 15028
Step 222: 15028 + 68 = 15096
Step 223: 15096 + 68 = 15164
Step 224: 15164 + 68 = 15232
Step 225: 15232 + 68 = 15300
Step 226: 15300 + 68 = 15368
Step 227: 15368 + 68 = 15436
Step 228: 15436 + 68 = 15504
Step 229: 15504 + 68 = 15572
Step 230: 15572 + 68 = 15640
Step 231: 15640 + 68 = 15708
Step 232: 15708 + 68 = 15776
Step 233: 15776 + 68 = 15844
Step 234: 15844 + 68 = 15912
Step 235: 15912 + 68 = 15980
Step 236: 15980 + 68 = 16048
Step 237: 16048 + 68 = 16116
Step 238: 16116 + 68 = 16184
Step 239: 16184 + 68 = 16252
Step 240: 16252 + 68 = 16320
Step 241: 16320 + 68 = 16388
Step 242: 16388 + 68 = 16456
Step 243: 16456 + 68 = 16524
Step 244: 16524 + 68 = 16592
Step 245: 16592 + 68 = 16660
Step 246: 16660 + 68 = 16728
Step 247: 16728 + 68 = 16796
Step 248: 16796 + 68 = 16864
Step 249: 16864 + 68 = 16932
Step 250: 16932 + 68 = 17000
Step 251: 17000 + 68 = 17068
Step 252: 17068 + 68 = 17136
Step 253: 17136 + 68 = 17204
Step 254: 17204 + 68 = 17272
Step 255: 17272 + 68 = 17340
Step 256: 17340 + 68 = 17408
Step 257: 17408 + 68 = 17476
Step 258: 17476 + 68 = 17544
Step 259: 17544 + 68 = 17612
Step 260: 17612 + 68 = 17680
Step 261: 17680 + 68 = 17748
Step 262: 17748 + 68 = 17816
Step 263: 17816 + 68 = 17884
Step 264: 17884 + 68 = 17952
Step 265: 17952 + 68 = 18020
Step 266: 18020 + 68 = 18088
Step 267: 18088 + 68 = 18156
Step 268: 18156 + 68 = 18224
Step 269: 18224 + 68 = 18292
Step 270: 18292 + 68 = 18360
Step 271: 18360 + 68 = 18428
Step 272: 18428 + 68 = 18496
Step 273: 18496 + 68 = 18564
Step 274: 18564 + 68 = 18632
Step 275: 18632 + 68 = 18700
Step 276: 18700 + 68 = 18768
Step 277: 18768 + 68 = 18836
Step 278: 18836 + 68 = 18904
Step 279: 18904 + 68 = 18972
Step 280: 18972 + 68 = 19040
Step 281: 19040 + 68 = 19108
Step 282: 19108 + 68 = 19176
Step 283: 19176 + 68 = 19244
Step 284: 19244 + 68 = 19312
Step 285: 19312 + 68 = 19380
Step 286: 19380 + 68 = 19448
Step 287: 19448 + 68 = 19516
Step 288: 19516 + 68 = 19584
Step 289: 19584 + 68 = 19652
Step 290: 19652 + 68 = 19720
Step 291: 19720 + 68 = 19788
Step 292: 19788 + 68 = 19856
Step 293: 19856 + 68 = 19924
Step 294: 19924 + 68 = 19992
Step 295: 19992 + 68 = 20060
Step 296: 20060 + 68 = 20128
Step 297: 20128 + 68 = 20196
Step 298: 20196 + 68 = 20264
Step 299: 20264 + 68 = 20332
Step 300: 20332 + 68 = 20400
Step 301: 20400 + 68 = 20468
Step 302: 20468 + 68 = 20536
Step 303: 20536 + 68 = 20604
Step 304: 20604 + 68 = 20672
Step 305: 20672 + 68 = 20740
Step 306: 20740 + 68 = 20808
Step 307: 20808 + 68 = 20876
Step 308: 20876 + 68 = 20944
Step 309: 20944 + 68 = 21012
Step 310: 21012 + 68 = 21080
Step 311: 21080 + 68 = 21148
Step 312: 21148 + 68 = 21216
Step 313: 21216 + 68 = 21284
Step 314: 21284 + 68 = 21352
Step 315: 21352 + 68 = 21420
Step 316: 21420 + 68 = 21488
Step 317: 21488 + 68 = 21556
Step 318: 21556 + 68 = 21624
Step 319: 21624 + 68 = 21692
Step 320: 21692 + 68 = 21760
Step 321: 21760 + 68 = 21828

So, 68*321 = 21828