Let's get this math done. We have 964 and we're going to multiply it by 407. This is the same as taking 964 and adding it to itself 407 times.
Step 1: 0 + 964 = 964
Step 2: 964 + 964 = 1928
Step 3: 1928 + 964 = 2892
Step 4: 2892 + 964 = 3856
Step 5: 3856 + 964 = 4820
Step 6: 4820 + 964 = 5784
Step 7: 5784 + 964 = 6748
Step 8: 6748 + 964 = 7712
Step 9: 7712 + 964 = 8676
Step 10: 8676 + 964 = 9640
Step 11: 9640 + 964 = 10604
Step 12: 10604 + 964 = 11568
Step 13: 11568 + 964 = 12532
Step 14: 12532 + 964 = 13496
Step 15: 13496 + 964 = 14460
Step 16: 14460 + 964 = 15424
Step 17: 15424 + 964 = 16388
Step 18: 16388 + 964 = 17352
Step 19: 17352 + 964 = 18316
Step 20: 18316 + 964 = 19280
Step 21: 19280 + 964 = 20244
Step 22: 20244 + 964 = 21208
Step 23: 21208 + 964 = 22172
Step 24: 22172 + 964 = 23136
Step 25: 23136 + 964 = 24100
Step 26: 24100 + 964 = 25064
Step 27: 25064 + 964 = 26028
Step 28: 26028 + 964 = 26992
Step 29: 26992 + 964 = 27956
Step 30: 27956 + 964 = 28920
Step 31: 28920 + 964 = 29884
Step 32: 29884 + 964 = 30848
Step 33: 30848 + 964 = 31812
Step 34: 31812 + 964 = 32776
Step 35: 32776 + 964 = 33740
Step 36: 33740 + 964 = 34704
Step 37: 34704 + 964 = 35668
Step 38: 35668 + 964 = 36632
Step 39: 36632 + 964 = 37596
Step 40: 37596 + 964 = 38560
Step 41: 38560 + 964 = 39524
Step 42: 39524 + 964 = 40488
Step 43: 40488 + 964 = 41452
Step 44: 41452 + 964 = 42416
Step 45: 42416 + 964 = 43380
Step 46: 43380 + 964 = 44344
Step 47: 44344 + 964 = 45308
Step 48: 45308 + 964 = 46272
Step 49: 46272 + 964 = 47236
Step 50: 47236 + 964 = 48200
Step 51: 48200 + 964 = 49164
Step 52: 49164 + 964 = 50128
Step 53: 50128 + 964 = 51092
Step 54: 51092 + 964 = 52056
Step 55: 52056 + 964 = 53020
Step 56: 53020 + 964 = 53984
Step 57: 53984 + 964 = 54948
Step 58: 54948 + 964 = 55912
Step 59: 55912 + 964 = 56876
Step 60: 56876 + 964 = 57840
Step 61: 57840 + 964 = 58804
Step 62: 58804 + 964 = 59768
Step 63: 59768 + 964 = 60732
Step 64: 60732 + 964 = 61696
Step 65: 61696 + 964 = 62660
Step 66: 62660 + 964 = 63624
Step 67: 63624 + 964 = 64588
Step 68: 64588 + 964 = 65552
Step 69: 65552 + 964 = 66516
Step 70: 66516 + 964 = 67480
Step 71: 67480 + 964 = 68444
Step 72: 68444 + 964 = 69408
Step 73: 69408 + 964 = 70372
Step 74: 70372 + 964 = 71336
Step 75: 71336 + 964 = 72300
Step 76: 72300 + 964 = 73264
Step 77: 73264 + 964 = 74228
Step 78: 74228 + 964 = 75192
Step 79: 75192 + 964 = 76156
Step 80: 76156 + 964 = 77120
Step 81: 77120 + 964 = 78084
Step 82: 78084 + 964 = 79048
Step 83: 79048 + 964 = 80012
Step 84: 80012 + 964 = 80976
Step 85: 80976 + 964 = 81940
Step 86: 81940 + 964 = 82904
Step 87: 82904 + 964 = 83868
Step 88: 83868 + 964 = 84832
Step 89: 84832 + 964 = 85796
Step 90: 85796 + 964 = 86760
Step 91: 86760 + 964 = 87724
Step 92: 87724 + 964 = 88688
Step 93: 88688 + 964 = 89652
Step 94: 89652 + 964 = 90616
Step 95: 90616 + 964 = 91580
Step 96: 91580 + 964 = 92544
Step 97: 92544 + 964 = 93508
Step 98: 93508 + 964 = 94472
Step 99: 94472 + 964 = 95436
Step 100: 95436 + 964 = 96400
Step 101: 96400 + 964 = 97364
Step 102: 97364 + 964 = 98328
Step 103: 98328 + 964 = 99292
Step 104: 99292 + 964 = 100256
Step 105: 100256 + 964 = 101220
Step 106: 101220 + 964 = 102184
Step 107: 102184 + 964 = 103148
Step 108: 103148 + 964 = 104112
Step 109: 104112 + 964 = 105076
Step 110: 105076 + 964 = 106040
Step 111: 106040 + 964 = 107004
Step 112: 107004 + 964 = 107968
Step 113: 107968 + 964 = 108932
Step 114: 108932 + 964 = 109896
Step 115: 109896 + 964 = 110860
Step 116: 110860 + 964 = 111824
Step 117: 111824 + 964 = 112788
Step 118: 112788 + 964 = 113752
Step 119: 113752 + 964 = 114716
Step 120: 114716 + 964 = 115680
Step 121: 115680 + 964 = 116644
Step 122: 116644 + 964 = 117608
Step 123: 117608 + 964 = 118572
Step 124: 118572 + 964 = 119536
Step 125: 119536 + 964 = 120500
Step 126: 120500 + 964 = 121464
Step 127: 121464 + 964 = 122428
Step 128: 122428 + 964 = 123392
Step 129: 123392 + 964 = 124356
Step 130: 124356 + 964 = 125320
Step 131: 125320 + 964 = 126284
Step 132: 126284 + 964 = 127248
Step 133: 127248 + 964 = 128212
Step 134: 128212 + 964 = 129176
Step 135: 129176 + 964 = 130140
Step 136: 130140 + 964 = 131104
Step 137: 131104 + 964 = 132068
Step 138: 132068 + 964 = 133032
Step 139: 133032 + 964 = 133996
Step 140: 133996 + 964 = 134960
Step 141: 134960 + 964 = 135924
Step 142: 135924 + 964 = 136888
Step 143: 136888 + 964 = 137852
Step 144: 137852 + 964 = 138816
Step 145: 138816 + 964 = 139780
Step 146: 139780 + 964 = 140744
Step 147: 140744 + 964 = 141708
Step 148: 141708 + 964 = 142672
Step 149: 142672 + 964 = 143636
Step 150: 143636 + 964 = 144600
Step 151: 144600 + 964 = 145564
Step 152: 145564 + 964 = 146528
Step 153: 146528 + 964 = 147492
Step 154: 147492 + 964 = 148456
Step 155: 148456 + 964 = 149420
Step 156: 149420 + 964 = 150384
Step 157: 150384 + 964 = 151348
Step 158: 151348 + 964 = 152312
Step 159: 152312 + 964 = 153276
Step 160: 153276 + 964 = 154240
Step 161: 154240 + 964 = 155204
Step 162: 155204 + 964 = 156168
Step 163: 156168 + 964 = 157132
Step 164: 157132 + 964 = 158096
Step 165: 158096 + 964 = 159060
Step 166: 159060 + 964 = 160024
Step 167: 160024 + 964 = 160988
Step 168: 160988 + 964 = 161952
Step 169: 161952 + 964 = 162916
Step 170: 162916 + 964 = 163880
Step 171: 163880 + 964 = 164844
Step 172: 164844 + 964 = 165808
Step 173: 165808 + 964 = 166772
Step 174: 166772 + 964 = 167736
Step 175: 167736 + 964 = 168700
Step 176: 168700 + 964 = 169664
Step 177: 169664 + 964 = 170628
Step 178: 170628 + 964 = 171592
Step 179: 171592 + 964 = 172556
Step 180: 172556 + 964 = 173520
Step 181: 173520 + 964 = 174484
Step 182: 174484 + 964 = 175448
Step 183: 175448 + 964 = 176412
Step 184: 176412 + 964 = 177376
Step 185: 177376 + 964 = 178340
Step 186: 178340 + 964 = 179304
Step 187: 179304 + 964 = 180268
Step 188: 180268 + 964 = 181232
Step 189: 181232 + 964 = 182196
Step 190: 182196 + 964 = 183160
Step 191: 183160 + 964 = 184124
Step 192: 184124 + 964 = 185088
Step 193: 185088 + 964 = 186052
Step 194: 186052 + 964 = 187016
Step 195: 187016 + 964 = 187980
Step 196: 187980 + 964 = 188944
Step 197: 188944 + 964 = 189908
Step 198: 189908 + 964 = 190872
Step 199: 190872 + 964 = 191836
Step 200: 191836 + 964 = 192800
Step 201: 192800 + 964 = 193764
Step 202: 193764 + 964 = 194728
Step 203: 194728 + 964 = 195692
Step 204: 195692 + 964 = 196656
Step 205: 196656 + 964 = 197620
Step 206: 197620 + 964 = 198584
Step 207: 198584 + 964 = 199548
Step 208: 199548 + 964 = 200512
Step 209: 200512 + 964 = 201476
Step 210: 201476 + 964 = 202440
Step 211: 202440 + 964 = 203404
Step 212: 203404 + 964 = 204368
Step 213: 204368 + 964 = 205332
Step 214: 205332 + 964 = 206296
Step 215: 206296 + 964 = 207260
Step 216: 207260 + 964 = 208224
Step 217: 208224 + 964 = 209188
Step 218: 209188 + 964 = 210152
Step 219: 210152 + 964 = 211116
Step 220: 211116 + 964 = 212080
Step 221: 212080 + 964 = 213044
Step 222: 213044 + 964 = 214008
Step 223: 214008 + 964 = 214972
Step 224: 214972 + 964 = 215936
Step 225: 215936 + 964 = 216900
Step 226: 216900 + 964 = 217864
Step 227: 217864 + 964 = 218828
Step 228: 218828 + 964 = 219792
Step 229: 219792 + 964 = 220756
Step 230: 220756 + 964 = 221720
Step 231: 221720 + 964 = 222684
Step 232: 222684 + 964 = 223648
Step 233: 223648 + 964 = 224612
Step 234: 224612 + 964 = 225576
Step 235: 225576 + 964 = 226540
Step 236: 226540 + 964 = 227504
Step 237: 227504 + 964 = 228468
Step 238: 228468 + 964 = 229432
Step 239: 229432 + 964 = 230396
Step 240: 230396 + 964 = 231360
Step 241: 231360 + 964 = 232324
Step 242: 232324 + 964 = 233288
Step 243: 233288 + 964 = 234252
Step 244: 234252 + 964 = 235216
Step 245: 235216 + 964 = 236180
Step 246: 236180 + 964 = 237144
Step 247: 237144 + 964 = 238108
Step 248: 238108 + 964 = 239072
Step 249: 239072 + 964 = 240036
Step 250: 240036 + 964 = 241000
Step 251: 241000 + 964 = 241964
Step 252: 241964 + 964 = 242928
Step 253: 242928 + 964 = 243892
Step 254: 243892 + 964 = 244856
Step 255: 244856 + 964 = 245820
Step 256: 245820 + 964 = 246784
Step 257: 246784 + 964 = 247748
Step 258: 247748 + 964 = 248712
Step 259: 248712 + 964 = 249676
Step 260: 249676 + 964 = 250640
Step 261: 250640 + 964 = 251604
Step 262: 251604 + 964 = 252568
Step 263: 252568 + 964 = 253532
Step 264: 253532 + 964 = 254496
Step 265: 254496 + 964 = 255460
Step 266: 255460 + 964 = 256424
Step 267: 256424 + 964 = 257388
Step 268: 257388 + 964 = 258352
Step 269: 258352 + 964 = 259316
Step 270: 259316 + 964 = 260280
Step 271: 260280 + 964 = 261244
Step 272: 261244 + 964 = 262208
Step 273: 262208 + 964 = 263172
Step 274: 263172 + 964 = 264136
Step 275: 264136 + 964 = 265100
Step 276: 265100 + 964 = 266064
Step 277: 266064 + 964 = 267028
Step 278: 267028 + 964 = 267992
Step 279: 267992 + 964 = 268956
Step 280: 268956 + 964 = 269920
Step 281: 269920 + 964 = 270884
Step 282: 270884 + 964 = 271848
Step 283: 271848 + 964 = 272812
Step 284: 272812 + 964 = 273776
Step 285: 273776 + 964 = 274740
Step 286: 274740 + 964 = 275704
Step 287: 275704 + 964 = 276668
Step 288: 276668 + 964 = 277632
Step 289: 277632 + 964 = 278596
Step 290: 278596 + 964 = 279560
Step 291: 279560 + 964 = 280524
Step 292: 280524 + 964 = 281488
Step 293: 281488 + 964 = 282452
Step 294: 282452 + 964 = 283416
Step 295: 283416 + 964 = 284380
Step 296: 284380 + 964 = 285344
Step 297: 285344 + 964 = 286308
Step 298: 286308 + 964 = 287272
Step 299: 287272 + 964 = 288236
Step 300: 288236 + 964 = 289200
Step 301: 289200 + 964 = 290164
Step 302: 290164 + 964 = 291128
Step 303: 291128 + 964 = 292092
Step 304: 292092 + 964 = 293056
Step 305: 293056 + 964 = 294020
Step 306: 294020 + 964 = 294984
Step 307: 294984 + 964 = 295948
Step 308: 295948 + 964 = 296912
Step 309: 296912 + 964 = 297876
Step 310: 297876 + 964 = 298840
Step 311: 298840 + 964 = 299804
Step 312: 299804 + 964 = 300768
Step 313: 300768 + 964 = 301732
Step 314: 301732 + 964 = 302696
Step 315: 302696 + 964 = 303660
Step 316: 303660 + 964 = 304624
Step 317: 304624 + 964 = 305588
Step 318: 305588 + 964 = 306552
Step 319: 306552 + 964 = 307516
Step 320: 307516 + 964 = 308480
Step 321: 308480 + 964 = 309444
Step 322: 309444 + 964 = 310408
Step 323: 310408 + 964 = 311372
Step 324: 311372 + 964 = 312336
Step 325: 312336 + 964 = 313300
Step 326: 313300 + 964 = 314264
Step 327: 314264 + 964 = 315228
Step 328: 315228 + 964 = 316192
Step 329: 316192 + 964 = 317156
Step 330: 317156 + 964 = 318120
Step 331: 318120 + 964 = 319084
Step 332: 319084 + 964 = 320048
Step 333: 320048 + 964 = 321012
Step 334: 321012 + 964 = 321976
Step 335: 321976 + 964 = 322940
Step 336: 322940 + 964 = 323904
Step 337: 323904 + 964 = 324868
Step 338: 324868 + 964 = 325832
Step 339: 325832 + 964 = 326796
Step 340: 326796 + 964 = 327760
Step 341: 327760 + 964 = 328724
Step 342: 328724 + 964 = 329688
Step 343: 329688 + 964 = 330652
Step 344: 330652 + 964 = 331616
Step 345: 331616 + 964 = 332580
Step 346: 332580 + 964 = 333544
Step 347: 333544 + 964 = 334508
Step 348: 334508 + 964 = 335472
Step 349: 335472 + 964 = 336436
Step 350: 336436 + 964 = 337400
Step 351: 337400 + 964 = 338364
Step 352: 338364 + 964 = 339328
Step 353: 339328 + 964 = 340292
Step 354: 340292 + 964 = 341256
Step 355: 341256 + 964 = 342220
Step 356: 342220 + 964 = 343184
Step 357: 343184 + 964 = 344148
Step 358: 344148 + 964 = 345112
Step 359: 345112 + 964 = 346076
Step 360: 346076 + 964 = 347040
Step 361: 347040 + 964 = 348004
Step 362: 348004 + 964 = 348968
Step 363: 348968 + 964 = 349932
Step 364: 349932 + 964 = 350896
Step 365: 350896 + 964 = 351860
Step 366: 351860 + 964 = 352824
Step 367: 352824 + 964 = 353788
Step 368: 353788 + 964 = 354752
Step 369: 354752 + 964 = 355716
Step 370: 355716 + 964 = 356680
Step 371: 356680 + 964 = 357644
Step 372: 357644 + 964 = 358608
Step 373: 358608 + 964 = 359572
Step 374: 359572 + 964 = 360536
Step 375: 360536 + 964 = 361500
Step 376: 361500 + 964 = 362464
Step 377: 362464 + 964 = 363428
Step 378: 363428 + 964 = 364392
Step 379: 364392 + 964 = 365356
Step 380: 365356 + 964 = 366320
Step 381: 366320 + 964 = 367284
Step 382: 367284 + 964 = 368248
Step 383: 368248 + 964 = 369212
Step 384: 369212 + 964 = 370176
Step 385: 370176 + 964 = 371140
Step 386: 371140 + 964 = 372104
Step 387: 372104 + 964 = 373068
Step 388: 373068 + 964 = 374032
Step 389: 374032 + 964 = 374996
Step 390: 374996 + 964 = 375960
Step 391: 375960 + 964 = 376924
Step 392: 376924 + 964 = 377888
Step 393: 377888 + 964 = 378852
Step 394: 378852 + 964 = 379816
Step 395: 379816 + 964 = 380780
Step 396: 380780 + 964 = 381744
Step 397: 381744 + 964 = 382708
Step 398: 382708 + 964 = 383672
Step 399: 383672 + 964 = 384636
Step 400: 384636 + 964 = 385600
Step 401: 385600 + 964 = 386564
Step 402: 386564 + 964 = 387528
Step 403: 387528 + 964 = 388492
Step 404: 388492 + 964 = 389456
Step 405: 389456 + 964 = 390420
Step 406: 390420 + 964 = 391384
Step 407: 391384 + 964 = 392348

So, 964*407 = 392348