Let's roll up our sleeves and solve this. We have 802 and we're going to multiply it by 356, essentially adding 802 to itself 356 times.
Step 1: 0 + 802 = 802
Step 2: 802 + 802 = 1604
Step 3: 1604 + 802 = 2406
Step 4: 2406 + 802 = 3208
Step 5: 3208 + 802 = 4010
Step 6: 4010 + 802 = 4812
Step 7: 4812 + 802 = 5614
Step 8: 5614 + 802 = 6416
Step 9: 6416 + 802 = 7218
Step 10: 7218 + 802 = 8020
Step 11: 8020 + 802 = 8822
Step 12: 8822 + 802 = 9624
Step 13: 9624 + 802 = 10426
Step 14: 10426 + 802 = 11228
Step 15: 11228 + 802 = 12030
Step 16: 12030 + 802 = 12832
Step 17: 12832 + 802 = 13634
Step 18: 13634 + 802 = 14436
Step 19: 14436 + 802 = 15238
Step 20: 15238 + 802 = 16040
Step 21: 16040 + 802 = 16842
Step 22: 16842 + 802 = 17644
Step 23: 17644 + 802 = 18446
Step 24: 18446 + 802 = 19248
Step 25: 19248 + 802 = 20050
Step 26: 20050 + 802 = 20852
Step 27: 20852 + 802 = 21654
Step 28: 21654 + 802 = 22456
Step 29: 22456 + 802 = 23258
Step 30: 23258 + 802 = 24060
Step 31: 24060 + 802 = 24862
Step 32: 24862 + 802 = 25664
Step 33: 25664 + 802 = 26466
Step 34: 26466 + 802 = 27268
Step 35: 27268 + 802 = 28070
Step 36: 28070 + 802 = 28872
Step 37: 28872 + 802 = 29674
Step 38: 29674 + 802 = 30476
Step 39: 30476 + 802 = 31278
Step 40: 31278 + 802 = 32080
Step 41: 32080 + 802 = 32882
Step 42: 32882 + 802 = 33684
Step 43: 33684 + 802 = 34486
Step 44: 34486 + 802 = 35288
Step 45: 35288 + 802 = 36090
Step 46: 36090 + 802 = 36892
Step 47: 36892 + 802 = 37694
Step 48: 37694 + 802 = 38496
Step 49: 38496 + 802 = 39298
Step 50: 39298 + 802 = 40100
Step 51: 40100 + 802 = 40902
Step 52: 40902 + 802 = 41704
Step 53: 41704 + 802 = 42506
Step 54: 42506 + 802 = 43308
Step 55: 43308 + 802 = 44110
Step 56: 44110 + 802 = 44912
Step 57: 44912 + 802 = 45714
Step 58: 45714 + 802 = 46516
Step 59: 46516 + 802 = 47318
Step 60: 47318 + 802 = 48120
Step 61: 48120 + 802 = 48922
Step 62: 48922 + 802 = 49724
Step 63: 49724 + 802 = 50526
Step 64: 50526 + 802 = 51328
Step 65: 51328 + 802 = 52130
Step 66: 52130 + 802 = 52932
Step 67: 52932 + 802 = 53734
Step 68: 53734 + 802 = 54536
Step 69: 54536 + 802 = 55338
Step 70: 55338 + 802 = 56140
Step 71: 56140 + 802 = 56942
Step 72: 56942 + 802 = 57744
Step 73: 57744 + 802 = 58546
Step 74: 58546 + 802 = 59348
Step 75: 59348 + 802 = 60150
Step 76: 60150 + 802 = 60952
Step 77: 60952 + 802 = 61754
Step 78: 61754 + 802 = 62556
Step 79: 62556 + 802 = 63358
Step 80: 63358 + 802 = 64160
Step 81: 64160 + 802 = 64962
Step 82: 64962 + 802 = 65764
Step 83: 65764 + 802 = 66566
Step 84: 66566 + 802 = 67368
Step 85: 67368 + 802 = 68170
Step 86: 68170 + 802 = 68972
Step 87: 68972 + 802 = 69774
Step 88: 69774 + 802 = 70576
Step 89: 70576 + 802 = 71378
Step 90: 71378 + 802 = 72180
Step 91: 72180 + 802 = 72982
Step 92: 72982 + 802 = 73784
Step 93: 73784 + 802 = 74586
Step 94: 74586 + 802 = 75388
Step 95: 75388 + 802 = 76190
Step 96: 76190 + 802 = 76992
Step 97: 76992 + 802 = 77794
Step 98: 77794 + 802 = 78596
Step 99: 78596 + 802 = 79398
Step 100: 79398 + 802 = 80200
Step 101: 80200 + 802 = 81002
Step 102: 81002 + 802 = 81804
Step 103: 81804 + 802 = 82606
Step 104: 82606 + 802 = 83408
Step 105: 83408 + 802 = 84210
Step 106: 84210 + 802 = 85012
Step 107: 85012 + 802 = 85814
Step 108: 85814 + 802 = 86616
Step 109: 86616 + 802 = 87418
Step 110: 87418 + 802 = 88220
Step 111: 88220 + 802 = 89022
Step 112: 89022 + 802 = 89824
Step 113: 89824 + 802 = 90626
Step 114: 90626 + 802 = 91428
Step 115: 91428 + 802 = 92230
Step 116: 92230 + 802 = 93032
Step 117: 93032 + 802 = 93834
Step 118: 93834 + 802 = 94636
Step 119: 94636 + 802 = 95438
Step 120: 95438 + 802 = 96240
Step 121: 96240 + 802 = 97042
Step 122: 97042 + 802 = 97844
Step 123: 97844 + 802 = 98646
Step 124: 98646 + 802 = 99448
Step 125: 99448 + 802 = 100250
Step 126: 100250 + 802 = 101052
Step 127: 101052 + 802 = 101854
Step 128: 101854 + 802 = 102656
Step 129: 102656 + 802 = 103458
Step 130: 103458 + 802 = 104260
Step 131: 104260 + 802 = 105062
Step 132: 105062 + 802 = 105864
Step 133: 105864 + 802 = 106666
Step 134: 106666 + 802 = 107468
Step 135: 107468 + 802 = 108270
Step 136: 108270 + 802 = 109072
Step 137: 109072 + 802 = 109874
Step 138: 109874 + 802 = 110676
Step 139: 110676 + 802 = 111478
Step 140: 111478 + 802 = 112280
Step 141: 112280 + 802 = 113082
Step 142: 113082 + 802 = 113884
Step 143: 113884 + 802 = 114686
Step 144: 114686 + 802 = 115488
Step 145: 115488 + 802 = 116290
Step 146: 116290 + 802 = 117092
Step 147: 117092 + 802 = 117894
Step 148: 117894 + 802 = 118696
Step 149: 118696 + 802 = 119498
Step 150: 119498 + 802 = 120300
Step 151: 120300 + 802 = 121102
Step 152: 121102 + 802 = 121904
Step 153: 121904 + 802 = 122706
Step 154: 122706 + 802 = 123508
Step 155: 123508 + 802 = 124310
Step 156: 124310 + 802 = 125112
Step 157: 125112 + 802 = 125914
Step 158: 125914 + 802 = 126716
Step 159: 126716 + 802 = 127518
Step 160: 127518 + 802 = 128320
Step 161: 128320 + 802 = 129122
Step 162: 129122 + 802 = 129924
Step 163: 129924 + 802 = 130726
Step 164: 130726 + 802 = 131528
Step 165: 131528 + 802 = 132330
Step 166: 132330 + 802 = 133132
Step 167: 133132 + 802 = 133934
Step 168: 133934 + 802 = 134736
Step 169: 134736 + 802 = 135538
Step 170: 135538 + 802 = 136340
Step 171: 136340 + 802 = 137142
Step 172: 137142 + 802 = 137944
Step 173: 137944 + 802 = 138746
Step 174: 138746 + 802 = 139548
Step 175: 139548 + 802 = 140350
Step 176: 140350 + 802 = 141152
Step 177: 141152 + 802 = 141954
Step 178: 141954 + 802 = 142756
Step 179: 142756 + 802 = 143558
Step 180: 143558 + 802 = 144360
Step 181: 144360 + 802 = 145162
Step 182: 145162 + 802 = 145964
Step 183: 145964 + 802 = 146766
Step 184: 146766 + 802 = 147568
Step 185: 147568 + 802 = 148370
Step 186: 148370 + 802 = 149172
Step 187: 149172 + 802 = 149974
Step 188: 149974 + 802 = 150776
Step 189: 150776 + 802 = 151578
Step 190: 151578 + 802 = 152380
Step 191: 152380 + 802 = 153182
Step 192: 153182 + 802 = 153984
Step 193: 153984 + 802 = 154786
Step 194: 154786 + 802 = 155588
Step 195: 155588 + 802 = 156390
Step 196: 156390 + 802 = 157192
Step 197: 157192 + 802 = 157994
Step 198: 157994 + 802 = 158796
Step 199: 158796 + 802 = 159598
Step 200: 159598 + 802 = 160400
Step 201: 160400 + 802 = 161202
Step 202: 161202 + 802 = 162004
Step 203: 162004 + 802 = 162806
Step 204: 162806 + 802 = 163608
Step 205: 163608 + 802 = 164410
Step 206: 164410 + 802 = 165212
Step 207: 165212 + 802 = 166014
Step 208: 166014 + 802 = 166816
Step 209: 166816 + 802 = 167618
Step 210: 167618 + 802 = 168420
Step 211: 168420 + 802 = 169222
Step 212: 169222 + 802 = 170024
Step 213: 170024 + 802 = 170826
Step 214: 170826 + 802 = 171628
Step 215: 171628 + 802 = 172430
Step 216: 172430 + 802 = 173232
Step 217: 173232 + 802 = 174034
Step 218: 174034 + 802 = 174836
Step 219: 174836 + 802 = 175638
Step 220: 175638 + 802 = 176440
Step 221: 176440 + 802 = 177242
Step 222: 177242 + 802 = 178044
Step 223: 178044 + 802 = 178846
Step 224: 178846 + 802 = 179648
Step 225: 179648 + 802 = 180450
Step 226: 180450 + 802 = 181252
Step 227: 181252 + 802 = 182054
Step 228: 182054 + 802 = 182856
Step 229: 182856 + 802 = 183658
Step 230: 183658 + 802 = 184460
Step 231: 184460 + 802 = 185262
Step 232: 185262 + 802 = 186064
Step 233: 186064 + 802 = 186866
Step 234: 186866 + 802 = 187668
Step 235: 187668 + 802 = 188470
Step 236: 188470 + 802 = 189272
Step 237: 189272 + 802 = 190074
Step 238: 190074 + 802 = 190876
Step 239: 190876 + 802 = 191678
Step 240: 191678 + 802 = 192480
Step 241: 192480 + 802 = 193282
Step 242: 193282 + 802 = 194084
Step 243: 194084 + 802 = 194886
Step 244: 194886 + 802 = 195688
Step 245: 195688 + 802 = 196490
Step 246: 196490 + 802 = 197292
Step 247: 197292 + 802 = 198094
Step 248: 198094 + 802 = 198896
Step 249: 198896 + 802 = 199698
Step 250: 199698 + 802 = 200500
Step 251: 200500 + 802 = 201302
Step 252: 201302 + 802 = 202104
Step 253: 202104 + 802 = 202906
Step 254: 202906 + 802 = 203708
Step 255: 203708 + 802 = 204510
Step 256: 204510 + 802 = 205312
Step 257: 205312 + 802 = 206114
Step 258: 206114 + 802 = 206916
Step 259: 206916 + 802 = 207718
Step 260: 207718 + 802 = 208520
Step 261: 208520 + 802 = 209322
Step 262: 209322 + 802 = 210124
Step 263: 210124 + 802 = 210926
Step 264: 210926 + 802 = 211728
Step 265: 211728 + 802 = 212530
Step 266: 212530 + 802 = 213332
Step 267: 213332 + 802 = 214134
Step 268: 214134 + 802 = 214936
Step 269: 214936 + 802 = 215738
Step 270: 215738 + 802 = 216540
Step 271: 216540 + 802 = 217342
Step 272: 217342 + 802 = 218144
Step 273: 218144 + 802 = 218946
Step 274: 218946 + 802 = 219748
Step 275: 219748 + 802 = 220550
Step 276: 220550 + 802 = 221352
Step 277: 221352 + 802 = 222154
Step 278: 222154 + 802 = 222956
Step 279: 222956 + 802 = 223758
Step 280: 223758 + 802 = 224560
Step 281: 224560 + 802 = 225362
Step 282: 225362 + 802 = 226164
Step 283: 226164 + 802 = 226966
Step 284: 226966 + 802 = 227768
Step 285: 227768 + 802 = 228570
Step 286: 228570 + 802 = 229372
Step 287: 229372 + 802 = 230174
Step 288: 230174 + 802 = 230976
Step 289: 230976 + 802 = 231778
Step 290: 231778 + 802 = 232580
Step 291: 232580 + 802 = 233382
Step 292: 233382 + 802 = 234184
Step 293: 234184 + 802 = 234986
Step 294: 234986 + 802 = 235788
Step 295: 235788 + 802 = 236590
Step 296: 236590 + 802 = 237392
Step 297: 237392 + 802 = 238194
Step 298: 238194 + 802 = 238996
Step 299: 238996 + 802 = 239798
Step 300: 239798 + 802 = 240600
Step 301: 240600 + 802 = 241402
Step 302: 241402 + 802 = 242204
Step 303: 242204 + 802 = 243006
Step 304: 243006 + 802 = 243808
Step 305: 243808 + 802 = 244610
Step 306: 244610 + 802 = 245412
Step 307: 245412 + 802 = 246214
Step 308: 246214 + 802 = 247016
Step 309: 247016 + 802 = 247818
Step 310: 247818 + 802 = 248620
Step 311: 248620 + 802 = 249422
Step 312: 249422 + 802 = 250224
Step 313: 250224 + 802 = 251026
Step 314: 251026 + 802 = 251828
Step 315: 251828 + 802 = 252630
Step 316: 252630 + 802 = 253432
Step 317: 253432 + 802 = 254234
Step 318: 254234 + 802 = 255036
Step 319: 255036 + 802 = 255838
Step 320: 255838 + 802 = 256640
Step 321: 256640 + 802 = 257442
Step 322: 257442 + 802 = 258244
Step 323: 258244 + 802 = 259046
Step 324: 259046 + 802 = 259848
Step 325: 259848 + 802 = 260650
Step 326: 260650 + 802 = 261452
Step 327: 261452 + 802 = 262254
Step 328: 262254 + 802 = 263056
Step 329: 263056 + 802 = 263858
Step 330: 263858 + 802 = 264660
Step 331: 264660 + 802 = 265462
Step 332: 265462 + 802 = 266264
Step 333: 266264 + 802 = 267066
Step 334: 267066 + 802 = 267868
Step 335: 267868 + 802 = 268670
Step 336: 268670 + 802 = 269472
Step 337: 269472 + 802 = 270274
Step 338: 270274 + 802 = 271076
Step 339: 271076 + 802 = 271878
Step 340: 271878 + 802 = 272680
Step 341: 272680 + 802 = 273482
Step 342: 273482 + 802 = 274284
Step 343: 274284 + 802 = 275086
Step 344: 275086 + 802 = 275888
Step 345: 275888 + 802 = 276690
Step 346: 276690 + 802 = 277492
Step 347: 277492 + 802 = 278294
Step 348: 278294 + 802 = 279096
Step 349: 279096 + 802 = 279898
Step 350: 279898 + 802 = 280700
Step 351: 280700 + 802 = 281502
Step 352: 281502 + 802 = 282304
Step 353: 282304 + 802 = 283106
Step 354: 283106 + 802 = 283908
Step 355: 283908 + 802 = 284710
Step 356: 284710 + 802 = 285512

So, 802*356 = 285512