OK, let's work through this together. We're starting with 392 and we're going to multiply it by 422, which means we add 392 to itself 422 times.
Step 1: 0 + 392 = 392
Step 2: 392 + 392 = 784
Step 3: 784 + 392 = 1176
Step 4: 1176 + 392 = 1568
Step 5: 1568 + 392 = 1960
Step 6: 1960 + 392 = 2352
Step 7: 2352 + 392 = 2744
Step 8: 2744 + 392 = 3136
Step 9: 3136 + 392 = 3528
Step 10: 3528 + 392 = 3920
Step 11: 3920 + 392 = 4312
Step 12: 4312 + 392 = 4704
Step 13: 4704 + 392 = 5096
Step 14: 5096 + 392 = 5488
Step 15: 5488 + 392 = 5880
Step 16: 5880 + 392 = 6272
Step 17: 6272 + 392 = 6664
Step 18: 6664 + 392 = 7056
Step 19: 7056 + 392 = 7448
Step 20: 7448 + 392 = 7840
Step 21: 7840 + 392 = 8232
Step 22: 8232 + 392 = 8624
Step 23: 8624 + 392 = 9016
Step 24: 9016 + 392 = 9408
Step 25: 9408 + 392 = 9800
Step 26: 9800 + 392 = 10192
Step 27: 10192 + 392 = 10584
Step 28: 10584 + 392 = 10976
Step 29: 10976 + 392 = 11368
Step 30: 11368 + 392 = 11760
Step 31: 11760 + 392 = 12152
Step 32: 12152 + 392 = 12544
Step 33: 12544 + 392 = 12936
Step 34: 12936 + 392 = 13328
Step 35: 13328 + 392 = 13720
Step 36: 13720 + 392 = 14112
Step 37: 14112 + 392 = 14504
Step 38: 14504 + 392 = 14896
Step 39: 14896 + 392 = 15288
Step 40: 15288 + 392 = 15680
Step 41: 15680 + 392 = 16072
Step 42: 16072 + 392 = 16464
Step 43: 16464 + 392 = 16856
Step 44: 16856 + 392 = 17248
Step 45: 17248 + 392 = 17640
Step 46: 17640 + 392 = 18032
Step 47: 18032 + 392 = 18424
Step 48: 18424 + 392 = 18816
Step 49: 18816 + 392 = 19208
Step 50: 19208 + 392 = 19600
Step 51: 19600 + 392 = 19992
Step 52: 19992 + 392 = 20384
Step 53: 20384 + 392 = 20776
Step 54: 20776 + 392 = 21168
Step 55: 21168 + 392 = 21560
Step 56: 21560 + 392 = 21952
Step 57: 21952 + 392 = 22344
Step 58: 22344 + 392 = 22736
Step 59: 22736 + 392 = 23128
Step 60: 23128 + 392 = 23520
Step 61: 23520 + 392 = 23912
Step 62: 23912 + 392 = 24304
Step 63: 24304 + 392 = 24696
Step 64: 24696 + 392 = 25088
Step 65: 25088 + 392 = 25480
Step 66: 25480 + 392 = 25872
Step 67: 25872 + 392 = 26264
Step 68: 26264 + 392 = 26656
Step 69: 26656 + 392 = 27048
Step 70: 27048 + 392 = 27440
Step 71: 27440 + 392 = 27832
Step 72: 27832 + 392 = 28224
Step 73: 28224 + 392 = 28616
Step 74: 28616 + 392 = 29008
Step 75: 29008 + 392 = 29400
Step 76: 29400 + 392 = 29792
Step 77: 29792 + 392 = 30184
Step 78: 30184 + 392 = 30576
Step 79: 30576 + 392 = 30968
Step 80: 30968 + 392 = 31360
Step 81: 31360 + 392 = 31752
Step 82: 31752 + 392 = 32144
Step 83: 32144 + 392 = 32536
Step 84: 32536 + 392 = 32928
Step 85: 32928 + 392 = 33320
Step 86: 33320 + 392 = 33712
Step 87: 33712 + 392 = 34104
Step 88: 34104 + 392 = 34496
Step 89: 34496 + 392 = 34888
Step 90: 34888 + 392 = 35280
Step 91: 35280 + 392 = 35672
Step 92: 35672 + 392 = 36064
Step 93: 36064 + 392 = 36456
Step 94: 36456 + 392 = 36848
Step 95: 36848 + 392 = 37240
Step 96: 37240 + 392 = 37632
Step 97: 37632 + 392 = 38024
Step 98: 38024 + 392 = 38416
Step 99: 38416 + 392 = 38808
Step 100: 38808 + 392 = 39200
Step 101: 39200 + 392 = 39592
Step 102: 39592 + 392 = 39984
Step 103: 39984 + 392 = 40376
Step 104: 40376 + 392 = 40768
Step 105: 40768 + 392 = 41160
Step 106: 41160 + 392 = 41552
Step 107: 41552 + 392 = 41944
Step 108: 41944 + 392 = 42336
Step 109: 42336 + 392 = 42728
Step 110: 42728 + 392 = 43120
Step 111: 43120 + 392 = 43512
Step 112: 43512 + 392 = 43904
Step 113: 43904 + 392 = 44296
Step 114: 44296 + 392 = 44688
Step 115: 44688 + 392 = 45080
Step 116: 45080 + 392 = 45472
Step 117: 45472 + 392 = 45864
Step 118: 45864 + 392 = 46256
Step 119: 46256 + 392 = 46648
Step 120: 46648 + 392 = 47040
Step 121: 47040 + 392 = 47432
Step 122: 47432 + 392 = 47824
Step 123: 47824 + 392 = 48216
Step 124: 48216 + 392 = 48608
Step 125: 48608 + 392 = 49000
Step 126: 49000 + 392 = 49392
Step 127: 49392 + 392 = 49784
Step 128: 49784 + 392 = 50176
Step 129: 50176 + 392 = 50568
Step 130: 50568 + 392 = 50960
Step 131: 50960 + 392 = 51352
Step 132: 51352 + 392 = 51744
Step 133: 51744 + 392 = 52136
Step 134: 52136 + 392 = 52528
Step 135: 52528 + 392 = 52920
Step 136: 52920 + 392 = 53312
Step 137: 53312 + 392 = 53704
Step 138: 53704 + 392 = 54096
Step 139: 54096 + 392 = 54488
Step 140: 54488 + 392 = 54880
Step 141: 54880 + 392 = 55272
Step 142: 55272 + 392 = 55664
Step 143: 55664 + 392 = 56056
Step 144: 56056 + 392 = 56448
Step 145: 56448 + 392 = 56840
Step 146: 56840 + 392 = 57232
Step 147: 57232 + 392 = 57624
Step 148: 57624 + 392 = 58016
Step 149: 58016 + 392 = 58408
Step 150: 58408 + 392 = 58800
Step 151: 58800 + 392 = 59192
Step 152: 59192 + 392 = 59584
Step 153: 59584 + 392 = 59976
Step 154: 59976 + 392 = 60368
Step 155: 60368 + 392 = 60760
Step 156: 60760 + 392 = 61152
Step 157: 61152 + 392 = 61544
Step 158: 61544 + 392 = 61936
Step 159: 61936 + 392 = 62328
Step 160: 62328 + 392 = 62720
Step 161: 62720 + 392 = 63112
Step 162: 63112 + 392 = 63504
Step 163: 63504 + 392 = 63896
Step 164: 63896 + 392 = 64288
Step 165: 64288 + 392 = 64680
Step 166: 64680 + 392 = 65072
Step 167: 65072 + 392 = 65464
Step 168: 65464 + 392 = 65856
Step 169: 65856 + 392 = 66248
Step 170: 66248 + 392 = 66640
Step 171: 66640 + 392 = 67032
Step 172: 67032 + 392 = 67424
Step 173: 67424 + 392 = 67816
Step 174: 67816 + 392 = 68208
Step 175: 68208 + 392 = 68600
Step 176: 68600 + 392 = 68992
Step 177: 68992 + 392 = 69384
Step 178: 69384 + 392 = 69776
Step 179: 69776 + 392 = 70168
Step 180: 70168 + 392 = 70560
Step 181: 70560 + 392 = 70952
Step 182: 70952 + 392 = 71344
Step 183: 71344 + 392 = 71736
Step 184: 71736 + 392 = 72128
Step 185: 72128 + 392 = 72520
Step 186: 72520 + 392 = 72912
Step 187: 72912 + 392 = 73304
Step 188: 73304 + 392 = 73696
Step 189: 73696 + 392 = 74088
Step 190: 74088 + 392 = 74480
Step 191: 74480 + 392 = 74872
Step 192: 74872 + 392 = 75264
Step 193: 75264 + 392 = 75656
Step 194: 75656 + 392 = 76048
Step 195: 76048 + 392 = 76440
Step 196: 76440 + 392 = 76832
Step 197: 76832 + 392 = 77224
Step 198: 77224 + 392 = 77616
Step 199: 77616 + 392 = 78008
Step 200: 78008 + 392 = 78400
Step 201: 78400 + 392 = 78792
Step 202: 78792 + 392 = 79184
Step 203: 79184 + 392 = 79576
Step 204: 79576 + 392 = 79968
Step 205: 79968 + 392 = 80360
Step 206: 80360 + 392 = 80752
Step 207: 80752 + 392 = 81144
Step 208: 81144 + 392 = 81536
Step 209: 81536 + 392 = 81928
Step 210: 81928 + 392 = 82320
Step 211: 82320 + 392 = 82712
Step 212: 82712 + 392 = 83104
Step 213: 83104 + 392 = 83496
Step 214: 83496 + 392 = 83888
Step 215: 83888 + 392 = 84280
Step 216: 84280 + 392 = 84672
Step 217: 84672 + 392 = 85064
Step 218: 85064 + 392 = 85456
Step 219: 85456 + 392 = 85848
Step 220: 85848 + 392 = 86240
Step 221: 86240 + 392 = 86632
Step 222: 86632 + 392 = 87024
Step 223: 87024 + 392 = 87416
Step 224: 87416 + 392 = 87808
Step 225: 87808 + 392 = 88200
Step 226: 88200 + 392 = 88592
Step 227: 88592 + 392 = 88984
Step 228: 88984 + 392 = 89376
Step 229: 89376 + 392 = 89768
Step 230: 89768 + 392 = 90160
Step 231: 90160 + 392 = 90552
Step 232: 90552 + 392 = 90944
Step 233: 90944 + 392 = 91336
Step 234: 91336 + 392 = 91728
Step 235: 91728 + 392 = 92120
Step 236: 92120 + 392 = 92512
Step 237: 92512 + 392 = 92904
Step 238: 92904 + 392 = 93296
Step 239: 93296 + 392 = 93688
Step 240: 93688 + 392 = 94080
Step 241: 94080 + 392 = 94472
Step 242: 94472 + 392 = 94864
Step 243: 94864 + 392 = 95256
Step 244: 95256 + 392 = 95648
Step 245: 95648 + 392 = 96040
Step 246: 96040 + 392 = 96432
Step 247: 96432 + 392 = 96824
Step 248: 96824 + 392 = 97216
Step 249: 97216 + 392 = 97608
Step 250: 97608 + 392 = 98000
Step 251: 98000 + 392 = 98392
Step 252: 98392 + 392 = 98784
Step 253: 98784 + 392 = 99176
Step 254: 99176 + 392 = 99568
Step 255: 99568 + 392 = 99960
Step 256: 99960 + 392 = 100352
Step 257: 100352 + 392 = 100744
Step 258: 100744 + 392 = 101136
Step 259: 101136 + 392 = 101528
Step 260: 101528 + 392 = 101920
Step 261: 101920 + 392 = 102312
Step 262: 102312 + 392 = 102704
Step 263: 102704 + 392 = 103096
Step 264: 103096 + 392 = 103488
Step 265: 103488 + 392 = 103880
Step 266: 103880 + 392 = 104272
Step 267: 104272 + 392 = 104664
Step 268: 104664 + 392 = 105056
Step 269: 105056 + 392 = 105448
Step 270: 105448 + 392 = 105840
Step 271: 105840 + 392 = 106232
Step 272: 106232 + 392 = 106624
Step 273: 106624 + 392 = 107016
Step 274: 107016 + 392 = 107408
Step 275: 107408 + 392 = 107800
Step 276: 107800 + 392 = 108192
Step 277: 108192 + 392 = 108584
Step 278: 108584 + 392 = 108976
Step 279: 108976 + 392 = 109368
Step 280: 109368 + 392 = 109760
Step 281: 109760 + 392 = 110152
Step 282: 110152 + 392 = 110544
Step 283: 110544 + 392 = 110936
Step 284: 110936 + 392 = 111328
Step 285: 111328 + 392 = 111720
Step 286: 111720 + 392 = 112112
Step 287: 112112 + 392 = 112504
Step 288: 112504 + 392 = 112896
Step 289: 112896 + 392 = 113288
Step 290: 113288 + 392 = 113680
Step 291: 113680 + 392 = 114072
Step 292: 114072 + 392 = 114464
Step 293: 114464 + 392 = 114856
Step 294: 114856 + 392 = 115248
Step 295: 115248 + 392 = 115640
Step 296: 115640 + 392 = 116032
Step 297: 116032 + 392 = 116424
Step 298: 116424 + 392 = 116816
Step 299: 116816 + 392 = 117208
Step 300: 117208 + 392 = 117600
Step 301: 117600 + 392 = 117992
Step 302: 117992 + 392 = 118384
Step 303: 118384 + 392 = 118776
Step 304: 118776 + 392 = 119168
Step 305: 119168 + 392 = 119560
Step 306: 119560 + 392 = 119952
Step 307: 119952 + 392 = 120344
Step 308: 120344 + 392 = 120736
Step 309: 120736 + 392 = 121128
Step 310: 121128 + 392 = 121520
Step 311: 121520 + 392 = 121912
Step 312: 121912 + 392 = 122304
Step 313: 122304 + 392 = 122696
Step 314: 122696 + 392 = 123088
Step 315: 123088 + 392 = 123480
Step 316: 123480 + 392 = 123872
Step 317: 123872 + 392 = 124264
Step 318: 124264 + 392 = 124656
Step 319: 124656 + 392 = 125048
Step 320: 125048 + 392 = 125440
Step 321: 125440 + 392 = 125832
Step 322: 125832 + 392 = 126224
Step 323: 126224 + 392 = 126616
Step 324: 126616 + 392 = 127008
Step 325: 127008 + 392 = 127400
Step 326: 127400 + 392 = 127792
Step 327: 127792 + 392 = 128184
Step 328: 128184 + 392 = 128576
Step 329: 128576 + 392 = 128968
Step 330: 128968 + 392 = 129360
Step 331: 129360 + 392 = 129752
Step 332: 129752 + 392 = 130144
Step 333: 130144 + 392 = 130536
Step 334: 130536 + 392 = 130928
Step 335: 130928 + 392 = 131320
Step 336: 131320 + 392 = 131712
Step 337: 131712 + 392 = 132104
Step 338: 132104 + 392 = 132496
Step 339: 132496 + 392 = 132888
Step 340: 132888 + 392 = 133280
Step 341: 133280 + 392 = 133672
Step 342: 133672 + 392 = 134064
Step 343: 134064 + 392 = 134456
Step 344: 134456 + 392 = 134848
Step 345: 134848 + 392 = 135240
Step 346: 135240 + 392 = 135632
Step 347: 135632 + 392 = 136024
Step 348: 136024 + 392 = 136416
Step 349: 136416 + 392 = 136808
Step 350: 136808 + 392 = 137200
Step 351: 137200 + 392 = 137592
Step 352: 137592 + 392 = 137984
Step 353: 137984 + 392 = 138376
Step 354: 138376 + 392 = 138768
Step 355: 138768 + 392 = 139160
Step 356: 139160 + 392 = 139552
Step 357: 139552 + 392 = 139944
Step 358: 139944 + 392 = 140336
Step 359: 140336 + 392 = 140728
Step 360: 140728 + 392 = 141120
Step 361: 141120 + 392 = 141512
Step 362: 141512 + 392 = 141904
Step 363: 141904 + 392 = 142296
Step 364: 142296 + 392 = 142688
Step 365: 142688 + 392 = 143080
Step 366: 143080 + 392 = 143472
Step 367: 143472 + 392 = 143864
Step 368: 143864 + 392 = 144256
Step 369: 144256 + 392 = 144648
Step 370: 144648 + 392 = 145040
Step 371: 145040 + 392 = 145432
Step 372: 145432 + 392 = 145824
Step 373: 145824 + 392 = 146216
Step 374: 146216 + 392 = 146608
Step 375: 146608 + 392 = 147000
Step 376: 147000 + 392 = 147392
Step 377: 147392 + 392 = 147784
Step 378: 147784 + 392 = 148176
Step 379: 148176 + 392 = 148568
Step 380: 148568 + 392 = 148960
Step 381: 148960 + 392 = 149352
Step 382: 149352 + 392 = 149744
Step 383: 149744 + 392 = 150136
Step 384: 150136 + 392 = 150528
Step 385: 150528 + 392 = 150920
Step 386: 150920 + 392 = 151312
Step 387: 151312 + 392 = 151704
Step 388: 151704 + 392 = 152096
Step 389: 152096 + 392 = 152488
Step 390: 152488 + 392 = 152880
Step 391: 152880 + 392 = 153272
Step 392: 153272 + 392 = 153664
Step 393: 153664 + 392 = 154056
Step 394: 154056 + 392 = 154448
Step 395: 154448 + 392 = 154840
Step 396: 154840 + 392 = 155232
Step 397: 155232 + 392 = 155624
Step 398: 155624 + 392 = 156016
Step 399: 156016 + 392 = 156408
Step 400: 156408 + 392 = 156800
Step 401: 156800 + 392 = 157192
Step 402: 157192 + 392 = 157584
Step 403: 157584 + 392 = 157976
Step 404: 157976 + 392 = 158368
Step 405: 158368 + 392 = 158760
Step 406: 158760 + 392 = 159152
Step 407: 159152 + 392 = 159544
Step 408: 159544 + 392 = 159936
Step 409: 159936 + 392 = 160328
Step 410: 160328 + 392 = 160720
Step 411: 160720 + 392 = 161112
Step 412: 161112 + 392 = 161504
Step 413: 161504 + 392 = 161896
Step 414: 161896 + 392 = 162288
Step 415: 162288 + 392 = 162680
Step 416: 162680 + 392 = 163072
Step 417: 163072 + 392 = 163464
Step 418: 163464 + 392 = 163856
Step 419: 163856 + 392 = 164248
Step 420: 164248 + 392 = 164640
Step 421: 164640 + 392 = 165032
Step 422: 165032 + 392 = 165424

So, 392*422 = 165424