Alright, let's solve this math problem step by step. First, we have the number 408. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 400. So, we're going to take the number 408 and add it to itself 400 times.
Step 1: 0 + 408 = 408
Step 2: 408 + 408 = 816
Step 3: 816 + 408 = 1224
Step 4: 1224 + 408 = 1632
Step 5: 1632 + 408 = 2040
Step 6: 2040 + 408 = 2448
Step 7: 2448 + 408 = 2856
Step 8: 2856 + 408 = 3264
Step 9: 3264 + 408 = 3672
Step 10: 3672 + 408 = 4080
Step 11: 4080 + 408 = 4488
Step 12: 4488 + 408 = 4896
Step 13: 4896 + 408 = 5304
Step 14: 5304 + 408 = 5712
Step 15: 5712 + 408 = 6120
Step 16: 6120 + 408 = 6528
Step 17: 6528 + 408 = 6936
Step 18: 6936 + 408 = 7344
Step 19: 7344 + 408 = 7752
Step 20: 7752 + 408 = 8160
Step 21: 8160 + 408 = 8568
Step 22: 8568 + 408 = 8976
Step 23: 8976 + 408 = 9384
Step 24: 9384 + 408 = 9792
Step 25: 9792 + 408 = 10200
Step 26: 10200 + 408 = 10608
Step 27: 10608 + 408 = 11016
Step 28: 11016 + 408 = 11424
Step 29: 11424 + 408 = 11832
Step 30: 11832 + 408 = 12240
Step 31: 12240 + 408 = 12648
Step 32: 12648 + 408 = 13056
Step 33: 13056 + 408 = 13464
Step 34: 13464 + 408 = 13872
Step 35: 13872 + 408 = 14280
Step 36: 14280 + 408 = 14688
Step 37: 14688 + 408 = 15096
Step 38: 15096 + 408 = 15504
Step 39: 15504 + 408 = 15912
Step 40: 15912 + 408 = 16320
Step 41: 16320 + 408 = 16728
Step 42: 16728 + 408 = 17136
Step 43: 17136 + 408 = 17544
Step 44: 17544 + 408 = 17952
Step 45: 17952 + 408 = 18360
Step 46: 18360 + 408 = 18768
Step 47: 18768 + 408 = 19176
Step 48: 19176 + 408 = 19584
Step 49: 19584 + 408 = 19992
Step 50: 19992 + 408 = 20400
Step 51: 20400 + 408 = 20808
Step 52: 20808 + 408 = 21216
Step 53: 21216 + 408 = 21624
Step 54: 21624 + 408 = 22032
Step 55: 22032 + 408 = 22440
Step 56: 22440 + 408 = 22848
Step 57: 22848 + 408 = 23256
Step 58: 23256 + 408 = 23664
Step 59: 23664 + 408 = 24072
Step 60: 24072 + 408 = 24480
Step 61: 24480 + 408 = 24888
Step 62: 24888 + 408 = 25296
Step 63: 25296 + 408 = 25704
Step 64: 25704 + 408 = 26112
Step 65: 26112 + 408 = 26520
Step 66: 26520 + 408 = 26928
Step 67: 26928 + 408 = 27336
Step 68: 27336 + 408 = 27744
Step 69: 27744 + 408 = 28152
Step 70: 28152 + 408 = 28560
Step 71: 28560 + 408 = 28968
Step 72: 28968 + 408 = 29376
Step 73: 29376 + 408 = 29784
Step 74: 29784 + 408 = 30192
Step 75: 30192 + 408 = 30600
Step 76: 30600 + 408 = 31008
Step 77: 31008 + 408 = 31416
Step 78: 31416 + 408 = 31824
Step 79: 31824 + 408 = 32232
Step 80: 32232 + 408 = 32640
Step 81: 32640 + 408 = 33048
Step 82: 33048 + 408 = 33456
Step 83: 33456 + 408 = 33864
Step 84: 33864 + 408 = 34272
Step 85: 34272 + 408 = 34680
Step 86: 34680 + 408 = 35088
Step 87: 35088 + 408 = 35496
Step 88: 35496 + 408 = 35904
Step 89: 35904 + 408 = 36312
Step 90: 36312 + 408 = 36720
Step 91: 36720 + 408 = 37128
Step 92: 37128 + 408 = 37536
Step 93: 37536 + 408 = 37944
Step 94: 37944 + 408 = 38352
Step 95: 38352 + 408 = 38760
Step 96: 38760 + 408 = 39168
Step 97: 39168 + 408 = 39576
Step 98: 39576 + 408 = 39984
Step 99: 39984 + 408 = 40392
Step 100: 40392 + 408 = 40800
Step 101: 40800 + 408 = 41208
Step 102: 41208 + 408 = 41616
Step 103: 41616 + 408 = 42024
Step 104: 42024 + 408 = 42432
Step 105: 42432 + 408 = 42840
Step 106: 42840 + 408 = 43248
Step 107: 43248 + 408 = 43656
Step 108: 43656 + 408 = 44064
Step 109: 44064 + 408 = 44472
Step 110: 44472 + 408 = 44880
Step 111: 44880 + 408 = 45288
Step 112: 45288 + 408 = 45696
Step 113: 45696 + 408 = 46104
Step 114: 46104 + 408 = 46512
Step 115: 46512 + 408 = 46920
Step 116: 46920 + 408 = 47328
Step 117: 47328 + 408 = 47736
Step 118: 47736 + 408 = 48144
Step 119: 48144 + 408 = 48552
Step 120: 48552 + 408 = 48960
Step 121: 48960 + 408 = 49368
Step 122: 49368 + 408 = 49776
Step 123: 49776 + 408 = 50184
Step 124: 50184 + 408 = 50592
Step 125: 50592 + 408 = 51000
Step 126: 51000 + 408 = 51408
Step 127: 51408 + 408 = 51816
Step 128: 51816 + 408 = 52224
Step 129: 52224 + 408 = 52632
Step 130: 52632 + 408 = 53040
Step 131: 53040 + 408 = 53448
Step 132: 53448 + 408 = 53856
Step 133: 53856 + 408 = 54264
Step 134: 54264 + 408 = 54672
Step 135: 54672 + 408 = 55080
Step 136: 55080 + 408 = 55488
Step 137: 55488 + 408 = 55896
Step 138: 55896 + 408 = 56304
Step 139: 56304 + 408 = 56712
Step 140: 56712 + 408 = 57120
Step 141: 57120 + 408 = 57528
Step 142: 57528 + 408 = 57936
Step 143: 57936 + 408 = 58344
Step 144: 58344 + 408 = 58752
Step 145: 58752 + 408 = 59160
Step 146: 59160 + 408 = 59568
Step 147: 59568 + 408 = 59976
Step 148: 59976 + 408 = 60384
Step 149: 60384 + 408 = 60792
Step 150: 60792 + 408 = 61200
Step 151: 61200 + 408 = 61608
Step 152: 61608 + 408 = 62016
Step 153: 62016 + 408 = 62424
Step 154: 62424 + 408 = 62832
Step 155: 62832 + 408 = 63240
Step 156: 63240 + 408 = 63648
Step 157: 63648 + 408 = 64056
Step 158: 64056 + 408 = 64464
Step 159: 64464 + 408 = 64872
Step 160: 64872 + 408 = 65280
Step 161: 65280 + 408 = 65688
Step 162: 65688 + 408 = 66096
Step 163: 66096 + 408 = 66504
Step 164: 66504 + 408 = 66912
Step 165: 66912 + 408 = 67320
Step 166: 67320 + 408 = 67728
Step 167: 67728 + 408 = 68136
Step 168: 68136 + 408 = 68544
Step 169: 68544 + 408 = 68952
Step 170: 68952 + 408 = 69360
Step 171: 69360 + 408 = 69768
Step 172: 69768 + 408 = 70176
Step 173: 70176 + 408 = 70584
Step 174: 70584 + 408 = 70992
Step 175: 70992 + 408 = 71400
Step 176: 71400 + 408 = 71808
Step 177: 71808 + 408 = 72216
Step 178: 72216 + 408 = 72624
Step 179: 72624 + 408 = 73032
Step 180: 73032 + 408 = 73440
Step 181: 73440 + 408 = 73848
Step 182: 73848 + 408 = 74256
Step 183: 74256 + 408 = 74664
Step 184: 74664 + 408 = 75072
Step 185: 75072 + 408 = 75480
Step 186: 75480 + 408 = 75888
Step 187: 75888 + 408 = 76296
Step 188: 76296 + 408 = 76704
Step 189: 76704 + 408 = 77112
Step 190: 77112 + 408 = 77520
Step 191: 77520 + 408 = 77928
Step 192: 77928 + 408 = 78336
Step 193: 78336 + 408 = 78744
Step 194: 78744 + 408 = 79152
Step 195: 79152 + 408 = 79560
Step 196: 79560 + 408 = 79968
Step 197: 79968 + 408 = 80376
Step 198: 80376 + 408 = 80784
Step 199: 80784 + 408 = 81192
Step 200: 81192 + 408 = 81600
Step 201: 81600 + 408 = 82008
Step 202: 82008 + 408 = 82416
Step 203: 82416 + 408 = 82824
Step 204: 82824 + 408 = 83232
Step 205: 83232 + 408 = 83640
Step 206: 83640 + 408 = 84048
Step 207: 84048 + 408 = 84456
Step 208: 84456 + 408 = 84864
Step 209: 84864 + 408 = 85272
Step 210: 85272 + 408 = 85680
Step 211: 85680 + 408 = 86088
Step 212: 86088 + 408 = 86496
Step 213: 86496 + 408 = 86904
Step 214: 86904 + 408 = 87312
Step 215: 87312 + 408 = 87720
Step 216: 87720 + 408 = 88128
Step 217: 88128 + 408 = 88536
Step 218: 88536 + 408 = 88944
Step 219: 88944 + 408 = 89352
Step 220: 89352 + 408 = 89760
Step 221: 89760 + 408 = 90168
Step 222: 90168 + 408 = 90576
Step 223: 90576 + 408 = 90984
Step 224: 90984 + 408 = 91392
Step 225: 91392 + 408 = 91800
Step 226: 91800 + 408 = 92208
Step 227: 92208 + 408 = 92616
Step 228: 92616 + 408 = 93024
Step 229: 93024 + 408 = 93432
Step 230: 93432 + 408 = 93840
Step 231: 93840 + 408 = 94248
Step 232: 94248 + 408 = 94656
Step 233: 94656 + 408 = 95064
Step 234: 95064 + 408 = 95472
Step 235: 95472 + 408 = 95880
Step 236: 95880 + 408 = 96288
Step 237: 96288 + 408 = 96696
Step 238: 96696 + 408 = 97104
Step 239: 97104 + 408 = 97512
Step 240: 97512 + 408 = 97920
Step 241: 97920 + 408 = 98328
Step 242: 98328 + 408 = 98736
Step 243: 98736 + 408 = 99144
Step 244: 99144 + 408 = 99552
Step 245: 99552 + 408 = 99960
Step 246: 99960 + 408 = 100368
Step 247: 100368 + 408 = 100776
Step 248: 100776 + 408 = 101184
Step 249: 101184 + 408 = 101592
Step 250: 101592 + 408 = 102000
Step 251: 102000 + 408 = 102408
Step 252: 102408 + 408 = 102816
Step 253: 102816 + 408 = 103224
Step 254: 103224 + 408 = 103632
Step 255: 103632 + 408 = 104040
Step 256: 104040 + 408 = 104448
Step 257: 104448 + 408 = 104856
Step 258: 104856 + 408 = 105264
Step 259: 105264 + 408 = 105672
Step 260: 105672 + 408 = 106080
Step 261: 106080 + 408 = 106488
Step 262: 106488 + 408 = 106896
Step 263: 106896 + 408 = 107304
Step 264: 107304 + 408 = 107712
Step 265: 107712 + 408 = 108120
Step 266: 108120 + 408 = 108528
Step 267: 108528 + 408 = 108936
Step 268: 108936 + 408 = 109344
Step 269: 109344 + 408 = 109752
Step 270: 109752 + 408 = 110160
Step 271: 110160 + 408 = 110568
Step 272: 110568 + 408 = 110976
Step 273: 110976 + 408 = 111384
Step 274: 111384 + 408 = 111792
Step 275: 111792 + 408 = 112200
Step 276: 112200 + 408 = 112608
Step 277: 112608 + 408 = 113016
Step 278: 113016 + 408 = 113424
Step 279: 113424 + 408 = 113832
Step 280: 113832 + 408 = 114240
Step 281: 114240 + 408 = 114648
Step 282: 114648 + 408 = 115056
Step 283: 115056 + 408 = 115464
Step 284: 115464 + 408 = 115872
Step 285: 115872 + 408 = 116280
Step 286: 116280 + 408 = 116688
Step 287: 116688 + 408 = 117096
Step 288: 117096 + 408 = 117504
Step 289: 117504 + 408 = 117912
Step 290: 117912 + 408 = 118320
Step 291: 118320 + 408 = 118728
Step 292: 118728 + 408 = 119136
Step 293: 119136 + 408 = 119544
Step 294: 119544 + 408 = 119952
Step 295: 119952 + 408 = 120360
Step 296: 120360 + 408 = 120768
Step 297: 120768 + 408 = 121176
Step 298: 121176 + 408 = 121584
Step 299: 121584 + 408 = 121992
Step 300: 121992 + 408 = 122400
Step 301: 122400 + 408 = 122808
Step 302: 122808 + 408 = 123216
Step 303: 123216 + 408 = 123624
Step 304: 123624 + 408 = 124032
Step 305: 124032 + 408 = 124440
Step 306: 124440 + 408 = 124848
Step 307: 124848 + 408 = 125256
Step 308: 125256 + 408 = 125664
Step 309: 125664 + 408 = 126072
Step 310: 126072 + 408 = 126480
Step 311: 126480 + 408 = 126888
Step 312: 126888 + 408 = 127296
Step 313: 127296 + 408 = 127704
Step 314: 127704 + 408 = 128112
Step 315: 128112 + 408 = 128520
Step 316: 128520 + 408 = 128928
Step 317: 128928 + 408 = 129336
Step 318: 129336 + 408 = 129744
Step 319: 129744 + 408 = 130152
Step 320: 130152 + 408 = 130560
Step 321: 130560 + 408 = 130968
Step 322: 130968 + 408 = 131376
Step 323: 131376 + 408 = 131784
Step 324: 131784 + 408 = 132192
Step 325: 132192 + 408 = 132600
Step 326: 132600 + 408 = 133008
Step 327: 133008 + 408 = 133416
Step 328: 133416 + 408 = 133824
Step 329: 133824 + 408 = 134232
Step 330: 134232 + 408 = 134640
Step 331: 134640 + 408 = 135048
Step 332: 135048 + 408 = 135456
Step 333: 135456 + 408 = 135864
Step 334: 135864 + 408 = 136272
Step 335: 136272 + 408 = 136680
Step 336: 136680 + 408 = 137088
Step 337: 137088 + 408 = 137496
Step 338: 137496 + 408 = 137904
Step 339: 137904 + 408 = 138312
Step 340: 138312 + 408 = 138720
Step 341: 138720 + 408 = 139128
Step 342: 139128 + 408 = 139536
Step 343: 139536 + 408 = 139944
Step 344: 139944 + 408 = 140352
Step 345: 140352 + 408 = 140760
Step 346: 140760 + 408 = 141168
Step 347: 141168 + 408 = 141576
Step 348: 141576 + 408 = 141984
Step 349: 141984 + 408 = 142392
Step 350: 142392 + 408 = 142800
Step 351: 142800 + 408 = 143208
Step 352: 143208 + 408 = 143616
Step 353: 143616 + 408 = 144024
Step 354: 144024 + 408 = 144432
Step 355: 144432 + 408 = 144840
Step 356: 144840 + 408 = 145248
Step 357: 145248 + 408 = 145656
Step 358: 145656 + 408 = 146064
Step 359: 146064 + 408 = 146472
Step 360: 146472 + 408 = 146880
Step 361: 146880 + 408 = 147288
Step 362: 147288 + 408 = 147696
Step 363: 147696 + 408 = 148104
Step 364: 148104 + 408 = 148512
Step 365: 148512 + 408 = 148920
Step 366: 148920 + 408 = 149328
Step 367: 149328 + 408 = 149736
Step 368: 149736 + 408 = 150144
Step 369: 150144 + 408 = 150552
Step 370: 150552 + 408 = 150960
Step 371: 150960 + 408 = 151368
Step 372: 151368 + 408 = 151776
Step 373: 151776 + 408 = 152184
Step 374: 152184 + 408 = 152592
Step 375: 152592 + 408 = 153000
Step 376: 153000 + 408 = 153408
Step 377: 153408 + 408 = 153816
Step 378: 153816 + 408 = 154224
Step 379: 154224 + 408 = 154632
Step 380: 154632 + 408 = 155040
Step 381: 155040 + 408 = 155448
Step 382: 155448 + 408 = 155856
Step 383: 155856 + 408 = 156264
Step 384: 156264 + 408 = 156672
Step 385: 156672 + 408 = 157080
Step 386: 157080 + 408 = 157488
Step 387: 157488 + 408 = 157896
Step 388: 157896 + 408 = 158304
Step 389: 158304 + 408 = 158712
Step 390: 158712 + 408 = 159120
Step 391: 159120 + 408 = 159528
Step 392: 159528 + 408 = 159936
Step 393: 159936 + 408 = 160344
Step 394: 160344 + 408 = 160752
Step 395: 160752 + 408 = 161160
Step 396: 161160 + 408 = 161568
Step 397: 161568 + 408 = 161976
Step 398: 161976 + 408 = 162384
Step 399: 162384 + 408 = 162792
Step 400: 162792 + 408 = 163200

So, 408*400 = 163200