Sure thing! We've got 34 and we're gonna multiply it by 402. That's the same as adding 34 to itself 402 times.
Step 1: 0 + 34 = 34
Step 2: 34 + 34 = 68
Step 3: 68 + 34 = 102
Step 4: 102 + 34 = 136
Step 5: 136 + 34 = 170
Step 6: 170 + 34 = 204
Step 7: 204 + 34 = 238
Step 8: 238 + 34 = 272
Step 9: 272 + 34 = 306
Step 10: 306 + 34 = 340
Step 11: 340 + 34 = 374
Step 12: 374 + 34 = 408
Step 13: 408 + 34 = 442
Step 14: 442 + 34 = 476
Step 15: 476 + 34 = 510
Step 16: 510 + 34 = 544
Step 17: 544 + 34 = 578
Step 18: 578 + 34 = 612
Step 19: 612 + 34 = 646
Step 20: 646 + 34 = 680
Step 21: 680 + 34 = 714
Step 22: 714 + 34 = 748
Step 23: 748 + 34 = 782
Step 24: 782 + 34 = 816
Step 25: 816 + 34 = 850
Step 26: 850 + 34 = 884
Step 27: 884 + 34 = 918
Step 28: 918 + 34 = 952
Step 29: 952 + 34 = 986
Step 30: 986 + 34 = 1020
Step 31: 1020 + 34 = 1054
Step 32: 1054 + 34 = 1088
Step 33: 1088 + 34 = 1122
Step 34: 1122 + 34 = 1156
Step 35: 1156 + 34 = 1190
Step 36: 1190 + 34 = 1224
Step 37: 1224 + 34 = 1258
Step 38: 1258 + 34 = 1292
Step 39: 1292 + 34 = 1326
Step 40: 1326 + 34 = 1360
Step 41: 1360 + 34 = 1394
Step 42: 1394 + 34 = 1428
Step 43: 1428 + 34 = 1462
Step 44: 1462 + 34 = 1496
Step 45: 1496 + 34 = 1530
Step 46: 1530 + 34 = 1564
Step 47: 1564 + 34 = 1598
Step 48: 1598 + 34 = 1632
Step 49: 1632 + 34 = 1666
Step 50: 1666 + 34 = 1700
Step 51: 1700 + 34 = 1734
Step 52: 1734 + 34 = 1768
Step 53: 1768 + 34 = 1802
Step 54: 1802 + 34 = 1836
Step 55: 1836 + 34 = 1870
Step 56: 1870 + 34 = 1904
Step 57: 1904 + 34 = 1938
Step 58: 1938 + 34 = 1972
Step 59: 1972 + 34 = 2006
Step 60: 2006 + 34 = 2040
Step 61: 2040 + 34 = 2074
Step 62: 2074 + 34 = 2108
Step 63: 2108 + 34 = 2142
Step 64: 2142 + 34 = 2176
Step 65: 2176 + 34 = 2210
Step 66: 2210 + 34 = 2244
Step 67: 2244 + 34 = 2278
Step 68: 2278 + 34 = 2312
Step 69: 2312 + 34 = 2346
Step 70: 2346 + 34 = 2380
Step 71: 2380 + 34 = 2414
Step 72: 2414 + 34 = 2448
Step 73: 2448 + 34 = 2482
Step 74: 2482 + 34 = 2516
Step 75: 2516 + 34 = 2550
Step 76: 2550 + 34 = 2584
Step 77: 2584 + 34 = 2618
Step 78: 2618 + 34 = 2652
Step 79: 2652 + 34 = 2686
Step 80: 2686 + 34 = 2720
Step 81: 2720 + 34 = 2754
Step 82: 2754 + 34 = 2788
Step 83: 2788 + 34 = 2822
Step 84: 2822 + 34 = 2856
Step 85: 2856 + 34 = 2890
Step 86: 2890 + 34 = 2924
Step 87: 2924 + 34 = 2958
Step 88: 2958 + 34 = 2992
Step 89: 2992 + 34 = 3026
Step 90: 3026 + 34 = 3060
Step 91: 3060 + 34 = 3094
Step 92: 3094 + 34 = 3128
Step 93: 3128 + 34 = 3162
Step 94: 3162 + 34 = 3196
Step 95: 3196 + 34 = 3230
Step 96: 3230 + 34 = 3264
Step 97: 3264 + 34 = 3298
Step 98: 3298 + 34 = 3332
Step 99: 3332 + 34 = 3366
Step 100: 3366 + 34 = 3400
Step 101: 3400 + 34 = 3434
Step 102: 3434 + 34 = 3468
Step 103: 3468 + 34 = 3502
Step 104: 3502 + 34 = 3536
Step 105: 3536 + 34 = 3570
Step 106: 3570 + 34 = 3604
Step 107: 3604 + 34 = 3638
Step 108: 3638 + 34 = 3672
Step 109: 3672 + 34 = 3706
Step 110: 3706 + 34 = 3740
Step 111: 3740 + 34 = 3774
Step 112: 3774 + 34 = 3808
Step 113: 3808 + 34 = 3842
Step 114: 3842 + 34 = 3876
Step 115: 3876 + 34 = 3910
Step 116: 3910 + 34 = 3944
Step 117: 3944 + 34 = 3978
Step 118: 3978 + 34 = 4012
Step 119: 4012 + 34 = 4046
Step 120: 4046 + 34 = 4080
Step 121: 4080 + 34 = 4114
Step 122: 4114 + 34 = 4148
Step 123: 4148 + 34 = 4182
Step 124: 4182 + 34 = 4216
Step 125: 4216 + 34 = 4250
Step 126: 4250 + 34 = 4284
Step 127: 4284 + 34 = 4318
Step 128: 4318 + 34 = 4352
Step 129: 4352 + 34 = 4386
Step 130: 4386 + 34 = 4420
Step 131: 4420 + 34 = 4454
Step 132: 4454 + 34 = 4488
Step 133: 4488 + 34 = 4522
Step 134: 4522 + 34 = 4556
Step 135: 4556 + 34 = 4590
Step 136: 4590 + 34 = 4624
Step 137: 4624 + 34 = 4658
Step 138: 4658 + 34 = 4692
Step 139: 4692 + 34 = 4726
Step 140: 4726 + 34 = 4760
Step 141: 4760 + 34 = 4794
Step 142: 4794 + 34 = 4828
Step 143: 4828 + 34 = 4862
Step 144: 4862 + 34 = 4896
Step 145: 4896 + 34 = 4930
Step 146: 4930 + 34 = 4964
Step 147: 4964 + 34 = 4998
Step 148: 4998 + 34 = 5032
Step 149: 5032 + 34 = 5066
Step 150: 5066 + 34 = 5100
Step 151: 5100 + 34 = 5134
Step 152: 5134 + 34 = 5168
Step 153: 5168 + 34 = 5202
Step 154: 5202 + 34 = 5236
Step 155: 5236 + 34 = 5270
Step 156: 5270 + 34 = 5304
Step 157: 5304 + 34 = 5338
Step 158: 5338 + 34 = 5372
Step 159: 5372 + 34 = 5406
Step 160: 5406 + 34 = 5440
Step 161: 5440 + 34 = 5474
Step 162: 5474 + 34 = 5508
Step 163: 5508 + 34 = 5542
Step 164: 5542 + 34 = 5576
Step 165: 5576 + 34 = 5610
Step 166: 5610 + 34 = 5644
Step 167: 5644 + 34 = 5678
Step 168: 5678 + 34 = 5712
Step 169: 5712 + 34 = 5746
Step 170: 5746 + 34 = 5780
Step 171: 5780 + 34 = 5814
Step 172: 5814 + 34 = 5848
Step 173: 5848 + 34 = 5882
Step 174: 5882 + 34 = 5916
Step 175: 5916 + 34 = 5950
Step 176: 5950 + 34 = 5984
Step 177: 5984 + 34 = 6018
Step 178: 6018 + 34 = 6052
Step 179: 6052 + 34 = 6086
Step 180: 6086 + 34 = 6120
Step 181: 6120 + 34 = 6154
Step 182: 6154 + 34 = 6188
Step 183: 6188 + 34 = 6222
Step 184: 6222 + 34 = 6256
Step 185: 6256 + 34 = 6290
Step 186: 6290 + 34 = 6324
Step 187: 6324 + 34 = 6358
Step 188: 6358 + 34 = 6392
Step 189: 6392 + 34 = 6426
Step 190: 6426 + 34 = 6460
Step 191: 6460 + 34 = 6494
Step 192: 6494 + 34 = 6528
Step 193: 6528 + 34 = 6562
Step 194: 6562 + 34 = 6596
Step 195: 6596 + 34 = 6630
Step 196: 6630 + 34 = 6664
Step 197: 6664 + 34 = 6698
Step 198: 6698 + 34 = 6732
Step 199: 6732 + 34 = 6766
Step 200: 6766 + 34 = 6800
Step 201: 6800 + 34 = 6834
Step 202: 6834 + 34 = 6868
Step 203: 6868 + 34 = 6902
Step 204: 6902 + 34 = 6936
Step 205: 6936 + 34 = 6970
Step 206: 6970 + 34 = 7004
Step 207: 7004 + 34 = 7038
Step 208: 7038 + 34 = 7072
Step 209: 7072 + 34 = 7106
Step 210: 7106 + 34 = 7140
Step 211: 7140 + 34 = 7174
Step 212: 7174 + 34 = 7208
Step 213: 7208 + 34 = 7242
Step 214: 7242 + 34 = 7276
Step 215: 7276 + 34 = 7310
Step 216: 7310 + 34 = 7344
Step 217: 7344 + 34 = 7378
Step 218: 7378 + 34 = 7412
Step 219: 7412 + 34 = 7446
Step 220: 7446 + 34 = 7480
Step 221: 7480 + 34 = 7514
Step 222: 7514 + 34 = 7548
Step 223: 7548 + 34 = 7582
Step 224: 7582 + 34 = 7616
Step 225: 7616 + 34 = 7650
Step 226: 7650 + 34 = 7684
Step 227: 7684 + 34 = 7718
Step 228: 7718 + 34 = 7752
Step 229: 7752 + 34 = 7786
Step 230: 7786 + 34 = 7820
Step 231: 7820 + 34 = 7854
Step 232: 7854 + 34 = 7888
Step 233: 7888 + 34 = 7922
Step 234: 7922 + 34 = 7956
Step 235: 7956 + 34 = 7990
Step 236: 7990 + 34 = 8024
Step 237: 8024 + 34 = 8058
Step 238: 8058 + 34 = 8092
Step 239: 8092 + 34 = 8126
Step 240: 8126 + 34 = 8160
Step 241: 8160 + 34 = 8194
Step 242: 8194 + 34 = 8228
Step 243: 8228 + 34 = 8262
Step 244: 8262 + 34 = 8296
Step 245: 8296 + 34 = 8330
Step 246: 8330 + 34 = 8364
Step 247: 8364 + 34 = 8398
Step 248: 8398 + 34 = 8432
Step 249: 8432 + 34 = 8466
Step 250: 8466 + 34 = 8500
Step 251: 8500 + 34 = 8534
Step 252: 8534 + 34 = 8568
Step 253: 8568 + 34 = 8602
Step 254: 8602 + 34 = 8636
Step 255: 8636 + 34 = 8670
Step 256: 8670 + 34 = 8704
Step 257: 8704 + 34 = 8738
Step 258: 8738 + 34 = 8772
Step 259: 8772 + 34 = 8806
Step 260: 8806 + 34 = 8840
Step 261: 8840 + 34 = 8874
Step 262: 8874 + 34 = 8908
Step 263: 8908 + 34 = 8942
Step 264: 8942 + 34 = 8976
Step 265: 8976 + 34 = 9010
Step 266: 9010 + 34 = 9044
Step 267: 9044 + 34 = 9078
Step 268: 9078 + 34 = 9112
Step 269: 9112 + 34 = 9146
Step 270: 9146 + 34 = 9180
Step 271: 9180 + 34 = 9214
Step 272: 9214 + 34 = 9248
Step 273: 9248 + 34 = 9282
Step 274: 9282 + 34 = 9316
Step 275: 9316 + 34 = 9350
Step 276: 9350 + 34 = 9384
Step 277: 9384 + 34 = 9418
Step 278: 9418 + 34 = 9452
Step 279: 9452 + 34 = 9486
Step 280: 9486 + 34 = 9520
Step 281: 9520 + 34 = 9554
Step 282: 9554 + 34 = 9588
Step 283: 9588 + 34 = 9622
Step 284: 9622 + 34 = 9656
Step 285: 9656 + 34 = 9690
Step 286: 9690 + 34 = 9724
Step 287: 9724 + 34 = 9758
Step 288: 9758 + 34 = 9792
Step 289: 9792 + 34 = 9826
Step 290: 9826 + 34 = 9860
Step 291: 9860 + 34 = 9894
Step 292: 9894 + 34 = 9928
Step 293: 9928 + 34 = 9962
Step 294: 9962 + 34 = 9996
Step 295: 9996 + 34 = 10030
Step 296: 10030 + 34 = 10064
Step 297: 10064 + 34 = 10098
Step 298: 10098 + 34 = 10132
Step 299: 10132 + 34 = 10166
Step 300: 10166 + 34 = 10200
Step 301: 10200 + 34 = 10234
Step 302: 10234 + 34 = 10268
Step 303: 10268 + 34 = 10302
Step 304: 10302 + 34 = 10336
Step 305: 10336 + 34 = 10370
Step 306: 10370 + 34 = 10404
Step 307: 10404 + 34 = 10438
Step 308: 10438 + 34 = 10472
Step 309: 10472 + 34 = 10506
Step 310: 10506 + 34 = 10540
Step 311: 10540 + 34 = 10574
Step 312: 10574 + 34 = 10608
Step 313: 10608 + 34 = 10642
Step 314: 10642 + 34 = 10676
Step 315: 10676 + 34 = 10710
Step 316: 10710 + 34 = 10744
Step 317: 10744 + 34 = 10778
Step 318: 10778 + 34 = 10812
Step 319: 10812 + 34 = 10846
Step 320: 10846 + 34 = 10880
Step 321: 10880 + 34 = 10914
Step 322: 10914 + 34 = 10948
Step 323: 10948 + 34 = 10982
Step 324: 10982 + 34 = 11016
Step 325: 11016 + 34 = 11050
Step 326: 11050 + 34 = 11084
Step 327: 11084 + 34 = 11118
Step 328: 11118 + 34 = 11152
Step 329: 11152 + 34 = 11186
Step 330: 11186 + 34 = 11220
Step 331: 11220 + 34 = 11254
Step 332: 11254 + 34 = 11288
Step 333: 11288 + 34 = 11322
Step 334: 11322 + 34 = 11356
Step 335: 11356 + 34 = 11390
Step 336: 11390 + 34 = 11424
Step 337: 11424 + 34 = 11458
Step 338: 11458 + 34 = 11492
Step 339: 11492 + 34 = 11526
Step 340: 11526 + 34 = 11560
Step 341: 11560 + 34 = 11594
Step 342: 11594 + 34 = 11628
Step 343: 11628 + 34 = 11662
Step 344: 11662 + 34 = 11696
Step 345: 11696 + 34 = 11730
Step 346: 11730 + 34 = 11764
Step 347: 11764 + 34 = 11798
Step 348: 11798 + 34 = 11832
Step 349: 11832 + 34 = 11866
Step 350: 11866 + 34 = 11900
Step 351: 11900 + 34 = 11934
Step 352: 11934 + 34 = 11968
Step 353: 11968 + 34 = 12002
Step 354: 12002 + 34 = 12036
Step 355: 12036 + 34 = 12070
Step 356: 12070 + 34 = 12104
Step 357: 12104 + 34 = 12138
Step 358: 12138 + 34 = 12172
Step 359: 12172 + 34 = 12206
Step 360: 12206 + 34 = 12240
Step 361: 12240 + 34 = 12274
Step 362: 12274 + 34 = 12308
Step 363: 12308 + 34 = 12342
Step 364: 12342 + 34 = 12376
Step 365: 12376 + 34 = 12410
Step 366: 12410 + 34 = 12444
Step 367: 12444 + 34 = 12478
Step 368: 12478 + 34 = 12512
Step 369: 12512 + 34 = 12546
Step 370: 12546 + 34 = 12580
Step 371: 12580 + 34 = 12614
Step 372: 12614 + 34 = 12648
Step 373: 12648 + 34 = 12682
Step 374: 12682 + 34 = 12716
Step 375: 12716 + 34 = 12750
Step 376: 12750 + 34 = 12784
Step 377: 12784 + 34 = 12818
Step 378: 12818 + 34 = 12852
Step 379: 12852 + 34 = 12886
Step 380: 12886 + 34 = 12920
Step 381: 12920 + 34 = 12954
Step 382: 12954 + 34 = 12988
Step 383: 12988 + 34 = 13022
Step 384: 13022 + 34 = 13056
Step 385: 13056 + 34 = 13090
Step 386: 13090 + 34 = 13124
Step 387: 13124 + 34 = 13158
Step 388: 13158 + 34 = 13192
Step 389: 13192 + 34 = 13226
Step 390: 13226 + 34 = 13260
Step 391: 13260 + 34 = 13294
Step 392: 13294 + 34 = 13328
Step 393: 13328 + 34 = 13362
Step 394: 13362 + 34 = 13396
Step 395: 13396 + 34 = 13430
Step 396: 13430 + 34 = 13464
Step 397: 13464 + 34 = 13498
Step 398: 13498 + 34 = 13532
Step 399: 13532 + 34 = 13566
Step 400: 13566 + 34 = 13600
Step 401: 13600 + 34 = 13634
Step 402: 13634 + 34 = 13668

So, 34*402 = 13668