Sure thing! We've got 66 and we're gonna multiply it by 338. That's the same as adding 66 to itself 338 times.
Step 1: 0 + 66 = 66
Step 2: 66 + 66 = 132
Step 3: 132 + 66 = 198
Step 4: 198 + 66 = 264
Step 5: 264 + 66 = 330
Step 6: 330 + 66 = 396
Step 7: 396 + 66 = 462
Step 8: 462 + 66 = 528
Step 9: 528 + 66 = 594
Step 10: 594 + 66 = 660
Step 11: 660 + 66 = 726
Step 12: 726 + 66 = 792
Step 13: 792 + 66 = 858
Step 14: 858 + 66 = 924
Step 15: 924 + 66 = 990
Step 16: 990 + 66 = 1056
Step 17: 1056 + 66 = 1122
Step 18: 1122 + 66 = 1188
Step 19: 1188 + 66 = 1254
Step 20: 1254 + 66 = 1320
Step 21: 1320 + 66 = 1386
Step 22: 1386 + 66 = 1452
Step 23: 1452 + 66 = 1518
Step 24: 1518 + 66 = 1584
Step 25: 1584 + 66 = 1650
Step 26: 1650 + 66 = 1716
Step 27: 1716 + 66 = 1782
Step 28: 1782 + 66 = 1848
Step 29: 1848 + 66 = 1914
Step 30: 1914 + 66 = 1980
Step 31: 1980 + 66 = 2046
Step 32: 2046 + 66 = 2112
Step 33: 2112 + 66 = 2178
Step 34: 2178 + 66 = 2244
Step 35: 2244 + 66 = 2310
Step 36: 2310 + 66 = 2376
Step 37: 2376 + 66 = 2442
Step 38: 2442 + 66 = 2508
Step 39: 2508 + 66 = 2574
Step 40: 2574 + 66 = 2640
Step 41: 2640 + 66 = 2706
Step 42: 2706 + 66 = 2772
Step 43: 2772 + 66 = 2838
Step 44: 2838 + 66 = 2904
Step 45: 2904 + 66 = 2970
Step 46: 2970 + 66 = 3036
Step 47: 3036 + 66 = 3102
Step 48: 3102 + 66 = 3168
Step 49: 3168 + 66 = 3234
Step 50: 3234 + 66 = 3300
Step 51: 3300 + 66 = 3366
Step 52: 3366 + 66 = 3432
Step 53: 3432 + 66 = 3498
Step 54: 3498 + 66 = 3564
Step 55: 3564 + 66 = 3630
Step 56: 3630 + 66 = 3696
Step 57: 3696 + 66 = 3762
Step 58: 3762 + 66 = 3828
Step 59: 3828 + 66 = 3894
Step 60: 3894 + 66 = 3960
Step 61: 3960 + 66 = 4026
Step 62: 4026 + 66 = 4092
Step 63: 4092 + 66 = 4158
Step 64: 4158 + 66 = 4224
Step 65: 4224 + 66 = 4290
Step 66: 4290 + 66 = 4356
Step 67: 4356 + 66 = 4422
Step 68: 4422 + 66 = 4488
Step 69: 4488 + 66 = 4554
Step 70: 4554 + 66 = 4620
Step 71: 4620 + 66 = 4686
Step 72: 4686 + 66 = 4752
Step 73: 4752 + 66 = 4818
Step 74: 4818 + 66 = 4884
Step 75: 4884 + 66 = 4950
Step 76: 4950 + 66 = 5016
Step 77: 5016 + 66 = 5082
Step 78: 5082 + 66 = 5148
Step 79: 5148 + 66 = 5214
Step 80: 5214 + 66 = 5280
Step 81: 5280 + 66 = 5346
Step 82: 5346 + 66 = 5412
Step 83: 5412 + 66 = 5478
Step 84: 5478 + 66 = 5544
Step 85: 5544 + 66 = 5610
Step 86: 5610 + 66 = 5676
Step 87: 5676 + 66 = 5742
Step 88: 5742 + 66 = 5808
Step 89: 5808 + 66 = 5874
Step 90: 5874 + 66 = 5940
Step 91: 5940 + 66 = 6006
Step 92: 6006 + 66 = 6072
Step 93: 6072 + 66 = 6138
Step 94: 6138 + 66 = 6204
Step 95: 6204 + 66 = 6270
Step 96: 6270 + 66 = 6336
Step 97: 6336 + 66 = 6402
Step 98: 6402 + 66 = 6468
Step 99: 6468 + 66 = 6534
Step 100: 6534 + 66 = 6600
Step 101: 6600 + 66 = 6666
Step 102: 6666 + 66 = 6732
Step 103: 6732 + 66 = 6798
Step 104: 6798 + 66 = 6864
Step 105: 6864 + 66 = 6930
Step 106: 6930 + 66 = 6996
Step 107: 6996 + 66 = 7062
Step 108: 7062 + 66 = 7128
Step 109: 7128 + 66 = 7194
Step 110: 7194 + 66 = 7260
Step 111: 7260 + 66 = 7326
Step 112: 7326 + 66 = 7392
Step 113: 7392 + 66 = 7458
Step 114: 7458 + 66 = 7524
Step 115: 7524 + 66 = 7590
Step 116: 7590 + 66 = 7656
Step 117: 7656 + 66 = 7722
Step 118: 7722 + 66 = 7788
Step 119: 7788 + 66 = 7854
Step 120: 7854 + 66 = 7920
Step 121: 7920 + 66 = 7986
Step 122: 7986 + 66 = 8052
Step 123: 8052 + 66 = 8118
Step 124: 8118 + 66 = 8184
Step 125: 8184 + 66 = 8250
Step 126: 8250 + 66 = 8316
Step 127: 8316 + 66 = 8382
Step 128: 8382 + 66 = 8448
Step 129: 8448 + 66 = 8514
Step 130: 8514 + 66 = 8580
Step 131: 8580 + 66 = 8646
Step 132: 8646 + 66 = 8712
Step 133: 8712 + 66 = 8778
Step 134: 8778 + 66 = 8844
Step 135: 8844 + 66 = 8910
Step 136: 8910 + 66 = 8976
Step 137: 8976 + 66 = 9042
Step 138: 9042 + 66 = 9108
Step 139: 9108 + 66 = 9174
Step 140: 9174 + 66 = 9240
Step 141: 9240 + 66 = 9306
Step 142: 9306 + 66 = 9372
Step 143: 9372 + 66 = 9438
Step 144: 9438 + 66 = 9504
Step 145: 9504 + 66 = 9570
Step 146: 9570 + 66 = 9636
Step 147: 9636 + 66 = 9702
Step 148: 9702 + 66 = 9768
Step 149: 9768 + 66 = 9834
Step 150: 9834 + 66 = 9900
Step 151: 9900 + 66 = 9966
Step 152: 9966 + 66 = 10032
Step 153: 10032 + 66 = 10098
Step 154: 10098 + 66 = 10164
Step 155: 10164 + 66 = 10230
Step 156: 10230 + 66 = 10296
Step 157: 10296 + 66 = 10362
Step 158: 10362 + 66 = 10428
Step 159: 10428 + 66 = 10494
Step 160: 10494 + 66 = 10560
Step 161: 10560 + 66 = 10626
Step 162: 10626 + 66 = 10692
Step 163: 10692 + 66 = 10758
Step 164: 10758 + 66 = 10824
Step 165: 10824 + 66 = 10890
Step 166: 10890 + 66 = 10956
Step 167: 10956 + 66 = 11022
Step 168: 11022 + 66 = 11088
Step 169: 11088 + 66 = 11154
Step 170: 11154 + 66 = 11220
Step 171: 11220 + 66 = 11286
Step 172: 11286 + 66 = 11352
Step 173: 11352 + 66 = 11418
Step 174: 11418 + 66 = 11484
Step 175: 11484 + 66 = 11550
Step 176: 11550 + 66 = 11616
Step 177: 11616 + 66 = 11682
Step 178: 11682 + 66 = 11748
Step 179: 11748 + 66 = 11814
Step 180: 11814 + 66 = 11880
Step 181: 11880 + 66 = 11946
Step 182: 11946 + 66 = 12012
Step 183: 12012 + 66 = 12078
Step 184: 12078 + 66 = 12144
Step 185: 12144 + 66 = 12210
Step 186: 12210 + 66 = 12276
Step 187: 12276 + 66 = 12342
Step 188: 12342 + 66 = 12408
Step 189: 12408 + 66 = 12474
Step 190: 12474 + 66 = 12540
Step 191: 12540 + 66 = 12606
Step 192: 12606 + 66 = 12672
Step 193: 12672 + 66 = 12738
Step 194: 12738 + 66 = 12804
Step 195: 12804 + 66 = 12870
Step 196: 12870 + 66 = 12936
Step 197: 12936 + 66 = 13002
Step 198: 13002 + 66 = 13068
Step 199: 13068 + 66 = 13134
Step 200: 13134 + 66 = 13200
Step 201: 13200 + 66 = 13266
Step 202: 13266 + 66 = 13332
Step 203: 13332 + 66 = 13398
Step 204: 13398 + 66 = 13464
Step 205: 13464 + 66 = 13530
Step 206: 13530 + 66 = 13596
Step 207: 13596 + 66 = 13662
Step 208: 13662 + 66 = 13728
Step 209: 13728 + 66 = 13794
Step 210: 13794 + 66 = 13860
Step 211: 13860 + 66 = 13926
Step 212: 13926 + 66 = 13992
Step 213: 13992 + 66 = 14058
Step 214: 14058 + 66 = 14124
Step 215: 14124 + 66 = 14190
Step 216: 14190 + 66 = 14256
Step 217: 14256 + 66 = 14322
Step 218: 14322 + 66 = 14388
Step 219: 14388 + 66 = 14454
Step 220: 14454 + 66 = 14520
Step 221: 14520 + 66 = 14586
Step 222: 14586 + 66 = 14652
Step 223: 14652 + 66 = 14718
Step 224: 14718 + 66 = 14784
Step 225: 14784 + 66 = 14850
Step 226: 14850 + 66 = 14916
Step 227: 14916 + 66 = 14982
Step 228: 14982 + 66 = 15048
Step 229: 15048 + 66 = 15114
Step 230: 15114 + 66 = 15180
Step 231: 15180 + 66 = 15246
Step 232: 15246 + 66 = 15312
Step 233: 15312 + 66 = 15378
Step 234: 15378 + 66 = 15444
Step 235: 15444 + 66 = 15510
Step 236: 15510 + 66 = 15576
Step 237: 15576 + 66 = 15642
Step 238: 15642 + 66 = 15708
Step 239: 15708 + 66 = 15774
Step 240: 15774 + 66 = 15840
Step 241: 15840 + 66 = 15906
Step 242: 15906 + 66 = 15972
Step 243: 15972 + 66 = 16038
Step 244: 16038 + 66 = 16104
Step 245: 16104 + 66 = 16170
Step 246: 16170 + 66 = 16236
Step 247: 16236 + 66 = 16302
Step 248: 16302 + 66 = 16368
Step 249: 16368 + 66 = 16434
Step 250: 16434 + 66 = 16500
Step 251: 16500 + 66 = 16566
Step 252: 16566 + 66 = 16632
Step 253: 16632 + 66 = 16698
Step 254: 16698 + 66 = 16764
Step 255: 16764 + 66 = 16830
Step 256: 16830 + 66 = 16896
Step 257: 16896 + 66 = 16962
Step 258: 16962 + 66 = 17028
Step 259: 17028 + 66 = 17094
Step 260: 17094 + 66 = 17160
Step 261: 17160 + 66 = 17226
Step 262: 17226 + 66 = 17292
Step 263: 17292 + 66 = 17358
Step 264: 17358 + 66 = 17424
Step 265: 17424 + 66 = 17490
Step 266: 17490 + 66 = 17556
Step 267: 17556 + 66 = 17622
Step 268: 17622 + 66 = 17688
Step 269: 17688 + 66 = 17754
Step 270: 17754 + 66 = 17820
Step 271: 17820 + 66 = 17886
Step 272: 17886 + 66 = 17952
Step 273: 17952 + 66 = 18018
Step 274: 18018 + 66 = 18084
Step 275: 18084 + 66 = 18150
Step 276: 18150 + 66 = 18216
Step 277: 18216 + 66 = 18282
Step 278: 18282 + 66 = 18348
Step 279: 18348 + 66 = 18414
Step 280: 18414 + 66 = 18480
Step 281: 18480 + 66 = 18546
Step 282: 18546 + 66 = 18612
Step 283: 18612 + 66 = 18678
Step 284: 18678 + 66 = 18744
Step 285: 18744 + 66 = 18810
Step 286: 18810 + 66 = 18876
Step 287: 18876 + 66 = 18942
Step 288: 18942 + 66 = 19008
Step 289: 19008 + 66 = 19074
Step 290: 19074 + 66 = 19140
Step 291: 19140 + 66 = 19206
Step 292: 19206 + 66 = 19272
Step 293: 19272 + 66 = 19338
Step 294: 19338 + 66 = 19404
Step 295: 19404 + 66 = 19470
Step 296: 19470 + 66 = 19536
Step 297: 19536 + 66 = 19602
Step 298: 19602 + 66 = 19668
Step 299: 19668 + 66 = 19734
Step 300: 19734 + 66 = 19800
Step 301: 19800 + 66 = 19866
Step 302: 19866 + 66 = 19932
Step 303: 19932 + 66 = 19998
Step 304: 19998 + 66 = 20064
Step 305: 20064 + 66 = 20130
Step 306: 20130 + 66 = 20196
Step 307: 20196 + 66 = 20262
Step 308: 20262 + 66 = 20328
Step 309: 20328 + 66 = 20394
Step 310: 20394 + 66 = 20460
Step 311: 20460 + 66 = 20526
Step 312: 20526 + 66 = 20592
Step 313: 20592 + 66 = 20658
Step 314: 20658 + 66 = 20724
Step 315: 20724 + 66 = 20790
Step 316: 20790 + 66 = 20856
Step 317: 20856 + 66 = 20922
Step 318: 20922 + 66 = 20988
Step 319: 20988 + 66 = 21054
Step 320: 21054 + 66 = 21120
Step 321: 21120 + 66 = 21186
Step 322: 21186 + 66 = 21252
Step 323: 21252 + 66 = 21318
Step 324: 21318 + 66 = 21384
Step 325: 21384 + 66 = 21450
Step 326: 21450 + 66 = 21516
Step 327: 21516 + 66 = 21582
Step 328: 21582 + 66 = 21648
Step 329: 21648 + 66 = 21714
Step 330: 21714 + 66 = 21780
Step 331: 21780 + 66 = 21846
Step 332: 21846 + 66 = 21912
Step 333: 21912 + 66 = 21978
Step 334: 21978 + 66 = 22044
Step 335: 22044 + 66 = 22110
Step 336: 22110 + 66 = 22176
Step 337: 22176 + 66 = 22242
Step 338: 22242 + 66 = 22308

So, 66*338 = 22308