Without delay, let's solve this. We've got 344 and we will be multiplying it by 280, that is, adding 344 to itself 280 times.
Step 1: 0 + 344 = 344
Step 2: 344 + 344 = 688
Step 3: 688 + 344 = 1032
Step 4: 1032 + 344 = 1376
Step 5: 1376 + 344 = 1720
Step 6: 1720 + 344 = 2064
Step 7: 2064 + 344 = 2408
Step 8: 2408 + 344 = 2752
Step 9: 2752 + 344 = 3096
Step 10: 3096 + 344 = 3440
Step 11: 3440 + 344 = 3784
Step 12: 3784 + 344 = 4128
Step 13: 4128 + 344 = 4472
Step 14: 4472 + 344 = 4816
Step 15: 4816 + 344 = 5160
Step 16: 5160 + 344 = 5504
Step 17: 5504 + 344 = 5848
Step 18: 5848 + 344 = 6192
Step 19: 6192 + 344 = 6536
Step 20: 6536 + 344 = 6880
Step 21: 6880 + 344 = 7224
Step 22: 7224 + 344 = 7568
Step 23: 7568 + 344 = 7912
Step 24: 7912 + 344 = 8256
Step 25: 8256 + 344 = 8600
Step 26: 8600 + 344 = 8944
Step 27: 8944 + 344 = 9288
Step 28: 9288 + 344 = 9632
Step 29: 9632 + 344 = 9976
Step 30: 9976 + 344 = 10320
Step 31: 10320 + 344 = 10664
Step 32: 10664 + 344 = 11008
Step 33: 11008 + 344 = 11352
Step 34: 11352 + 344 = 11696
Step 35: 11696 + 344 = 12040
Step 36: 12040 + 344 = 12384
Step 37: 12384 + 344 = 12728
Step 38: 12728 + 344 = 13072
Step 39: 13072 + 344 = 13416
Step 40: 13416 + 344 = 13760
Step 41: 13760 + 344 = 14104
Step 42: 14104 + 344 = 14448
Step 43: 14448 + 344 = 14792
Step 44: 14792 + 344 = 15136
Step 45: 15136 + 344 = 15480
Step 46: 15480 + 344 = 15824
Step 47: 15824 + 344 = 16168
Step 48: 16168 + 344 = 16512
Step 49: 16512 + 344 = 16856
Step 50: 16856 + 344 = 17200
Step 51: 17200 + 344 = 17544
Step 52: 17544 + 344 = 17888
Step 53: 17888 + 344 = 18232
Step 54: 18232 + 344 = 18576
Step 55: 18576 + 344 = 18920
Step 56: 18920 + 344 = 19264
Step 57: 19264 + 344 = 19608
Step 58: 19608 + 344 = 19952
Step 59: 19952 + 344 = 20296
Step 60: 20296 + 344 = 20640
Step 61: 20640 + 344 = 20984
Step 62: 20984 + 344 = 21328
Step 63: 21328 + 344 = 21672
Step 64: 21672 + 344 = 22016
Step 65: 22016 + 344 = 22360
Step 66: 22360 + 344 = 22704
Step 67: 22704 + 344 = 23048
Step 68: 23048 + 344 = 23392
Step 69: 23392 + 344 = 23736
Step 70: 23736 + 344 = 24080
Step 71: 24080 + 344 = 24424
Step 72: 24424 + 344 = 24768
Step 73: 24768 + 344 = 25112
Step 74: 25112 + 344 = 25456
Step 75: 25456 + 344 = 25800
Step 76: 25800 + 344 = 26144
Step 77: 26144 + 344 = 26488
Step 78: 26488 + 344 = 26832
Step 79: 26832 + 344 = 27176
Step 80: 27176 + 344 = 27520
Step 81: 27520 + 344 = 27864
Step 82: 27864 + 344 = 28208
Step 83: 28208 + 344 = 28552
Step 84: 28552 + 344 = 28896
Step 85: 28896 + 344 = 29240
Step 86: 29240 + 344 = 29584
Step 87: 29584 + 344 = 29928
Step 88: 29928 + 344 = 30272
Step 89: 30272 + 344 = 30616
Step 90: 30616 + 344 = 30960
Step 91: 30960 + 344 = 31304
Step 92: 31304 + 344 = 31648
Step 93: 31648 + 344 = 31992
Step 94: 31992 + 344 = 32336
Step 95: 32336 + 344 = 32680
Step 96: 32680 + 344 = 33024
Step 97: 33024 + 344 = 33368
Step 98: 33368 + 344 = 33712
Step 99: 33712 + 344 = 34056
Step 100: 34056 + 344 = 34400
Step 101: 34400 + 344 = 34744
Step 102: 34744 + 344 = 35088
Step 103: 35088 + 344 = 35432
Step 104: 35432 + 344 = 35776
Step 105: 35776 + 344 = 36120
Step 106: 36120 + 344 = 36464
Step 107: 36464 + 344 = 36808
Step 108: 36808 + 344 = 37152
Step 109: 37152 + 344 = 37496
Step 110: 37496 + 344 = 37840
Step 111: 37840 + 344 = 38184
Step 112: 38184 + 344 = 38528
Step 113: 38528 + 344 = 38872
Step 114: 38872 + 344 = 39216
Step 115: 39216 + 344 = 39560
Step 116: 39560 + 344 = 39904
Step 117: 39904 + 344 = 40248
Step 118: 40248 + 344 = 40592
Step 119: 40592 + 344 = 40936
Step 120: 40936 + 344 = 41280
Step 121: 41280 + 344 = 41624
Step 122: 41624 + 344 = 41968
Step 123: 41968 + 344 = 42312
Step 124: 42312 + 344 = 42656
Step 125: 42656 + 344 = 43000
Step 126: 43000 + 344 = 43344
Step 127: 43344 + 344 = 43688
Step 128: 43688 + 344 = 44032
Step 129: 44032 + 344 = 44376
Step 130: 44376 + 344 = 44720
Step 131: 44720 + 344 = 45064
Step 132: 45064 + 344 = 45408
Step 133: 45408 + 344 = 45752
Step 134: 45752 + 344 = 46096
Step 135: 46096 + 344 = 46440
Step 136: 46440 + 344 = 46784
Step 137: 46784 + 344 = 47128
Step 138: 47128 + 344 = 47472
Step 139: 47472 + 344 = 47816
Step 140: 47816 + 344 = 48160
Step 141: 48160 + 344 = 48504
Step 142: 48504 + 344 = 48848
Step 143: 48848 + 344 = 49192
Step 144: 49192 + 344 = 49536
Step 145: 49536 + 344 = 49880
Step 146: 49880 + 344 = 50224
Step 147: 50224 + 344 = 50568
Step 148: 50568 + 344 = 50912
Step 149: 50912 + 344 = 51256
Step 150: 51256 + 344 = 51600
Step 151: 51600 + 344 = 51944
Step 152: 51944 + 344 = 52288
Step 153: 52288 + 344 = 52632
Step 154: 52632 + 344 = 52976
Step 155: 52976 + 344 = 53320
Step 156: 53320 + 344 = 53664
Step 157: 53664 + 344 = 54008
Step 158: 54008 + 344 = 54352
Step 159: 54352 + 344 = 54696
Step 160: 54696 + 344 = 55040
Step 161: 55040 + 344 = 55384
Step 162: 55384 + 344 = 55728
Step 163: 55728 + 344 = 56072
Step 164: 56072 + 344 = 56416
Step 165: 56416 + 344 = 56760
Step 166: 56760 + 344 = 57104
Step 167: 57104 + 344 = 57448
Step 168: 57448 + 344 = 57792
Step 169: 57792 + 344 = 58136
Step 170: 58136 + 344 = 58480
Step 171: 58480 + 344 = 58824
Step 172: 58824 + 344 = 59168
Step 173: 59168 + 344 = 59512
Step 174: 59512 + 344 = 59856
Step 175: 59856 + 344 = 60200
Step 176: 60200 + 344 = 60544
Step 177: 60544 + 344 = 60888
Step 178: 60888 + 344 = 61232
Step 179: 61232 + 344 = 61576
Step 180: 61576 + 344 = 61920
Step 181: 61920 + 344 = 62264
Step 182: 62264 + 344 = 62608
Step 183: 62608 + 344 = 62952
Step 184: 62952 + 344 = 63296
Step 185: 63296 + 344 = 63640
Step 186: 63640 + 344 = 63984
Step 187: 63984 + 344 = 64328
Step 188: 64328 + 344 = 64672
Step 189: 64672 + 344 = 65016
Step 190: 65016 + 344 = 65360
Step 191: 65360 + 344 = 65704
Step 192: 65704 + 344 = 66048
Step 193: 66048 + 344 = 66392
Step 194: 66392 + 344 = 66736
Step 195: 66736 + 344 = 67080
Step 196: 67080 + 344 = 67424
Step 197: 67424 + 344 = 67768
Step 198: 67768 + 344 = 68112
Step 199: 68112 + 344 = 68456
Step 200: 68456 + 344 = 68800
Step 201: 68800 + 344 = 69144
Step 202: 69144 + 344 = 69488
Step 203: 69488 + 344 = 69832
Step 204: 69832 + 344 = 70176
Step 205: 70176 + 344 = 70520
Step 206: 70520 + 344 = 70864
Step 207: 70864 + 344 = 71208
Step 208: 71208 + 344 = 71552
Step 209: 71552 + 344 = 71896
Step 210: 71896 + 344 = 72240
Step 211: 72240 + 344 = 72584
Step 212: 72584 + 344 = 72928
Step 213: 72928 + 344 = 73272
Step 214: 73272 + 344 = 73616
Step 215: 73616 + 344 = 73960
Step 216: 73960 + 344 = 74304
Step 217: 74304 + 344 = 74648
Step 218: 74648 + 344 = 74992
Step 219: 74992 + 344 = 75336
Step 220: 75336 + 344 = 75680
Step 221: 75680 + 344 = 76024
Step 222: 76024 + 344 = 76368
Step 223: 76368 + 344 = 76712
Step 224: 76712 + 344 = 77056
Step 225: 77056 + 344 = 77400
Step 226: 77400 + 344 = 77744
Step 227: 77744 + 344 = 78088
Step 228: 78088 + 344 = 78432
Step 229: 78432 + 344 = 78776
Step 230: 78776 + 344 = 79120
Step 231: 79120 + 344 = 79464
Step 232: 79464 + 344 = 79808
Step 233: 79808 + 344 = 80152
Step 234: 80152 + 344 = 80496
Step 235: 80496 + 344 = 80840
Step 236: 80840 + 344 = 81184
Step 237: 81184 + 344 = 81528
Step 238: 81528 + 344 = 81872
Step 239: 81872 + 344 = 82216
Step 240: 82216 + 344 = 82560
Step 241: 82560 + 344 = 82904
Step 242: 82904 + 344 = 83248
Step 243: 83248 + 344 = 83592
Step 244: 83592 + 344 = 83936
Step 245: 83936 + 344 = 84280
Step 246: 84280 + 344 = 84624
Step 247: 84624 + 344 = 84968
Step 248: 84968 + 344 = 85312
Step 249: 85312 + 344 = 85656
Step 250: 85656 + 344 = 86000
Step 251: 86000 + 344 = 86344
Step 252: 86344 + 344 = 86688
Step 253: 86688 + 344 = 87032
Step 254: 87032 + 344 = 87376
Step 255: 87376 + 344 = 87720
Step 256: 87720 + 344 = 88064
Step 257: 88064 + 344 = 88408
Step 258: 88408 + 344 = 88752
Step 259: 88752 + 344 = 89096
Step 260: 89096 + 344 = 89440
Step 261: 89440 + 344 = 89784
Step 262: 89784 + 344 = 90128
Step 263: 90128 + 344 = 90472
Step 264: 90472 + 344 = 90816
Step 265: 90816 + 344 = 91160
Step 266: 91160 + 344 = 91504
Step 267: 91504 + 344 = 91848
Step 268: 91848 + 344 = 92192
Step 269: 92192 + 344 = 92536
Step 270: 92536 + 344 = 92880
Step 271: 92880 + 344 = 93224
Step 272: 93224 + 344 = 93568
Step 273: 93568 + 344 = 93912
Step 274: 93912 + 344 = 94256
Step 275: 94256 + 344 = 94600
Step 276: 94600 + 344 = 94944
Step 277: 94944 + 344 = 95288
Step 278: 95288 + 344 = 95632
Step 279: 95632 + 344 = 95976
Step 280: 95976 + 344 = 96320

So, 344*280 = 96320