Let's get this math done. We have 444 and we're going to multiply it by 345. This is the same as taking 444 and adding it to itself 345 times.
Step 1: 0 + 444 = 444
Step 2: 444 + 444 = 888
Step 3: 888 + 444 = 1332
Step 4: 1332 + 444 = 1776
Step 5: 1776 + 444 = 2220
Step 6: 2220 + 444 = 2664
Step 7: 2664 + 444 = 3108
Step 8: 3108 + 444 = 3552
Step 9: 3552 + 444 = 3996
Step 10: 3996 + 444 = 4440
Step 11: 4440 + 444 = 4884
Step 12: 4884 + 444 = 5328
Step 13: 5328 + 444 = 5772
Step 14: 5772 + 444 = 6216
Step 15: 6216 + 444 = 6660
Step 16: 6660 + 444 = 7104
Step 17: 7104 + 444 = 7548
Step 18: 7548 + 444 = 7992
Step 19: 7992 + 444 = 8436
Step 20: 8436 + 444 = 8880
Step 21: 8880 + 444 = 9324
Step 22: 9324 + 444 = 9768
Step 23: 9768 + 444 = 10212
Step 24: 10212 + 444 = 10656
Step 25: 10656 + 444 = 11100
Step 26: 11100 + 444 = 11544
Step 27: 11544 + 444 = 11988
Step 28: 11988 + 444 = 12432
Step 29: 12432 + 444 = 12876
Step 30: 12876 + 444 = 13320
Step 31: 13320 + 444 = 13764
Step 32: 13764 + 444 = 14208
Step 33: 14208 + 444 = 14652
Step 34: 14652 + 444 = 15096
Step 35: 15096 + 444 = 15540
Step 36: 15540 + 444 = 15984
Step 37: 15984 + 444 = 16428
Step 38: 16428 + 444 = 16872
Step 39: 16872 + 444 = 17316
Step 40: 17316 + 444 = 17760
Step 41: 17760 + 444 = 18204
Step 42: 18204 + 444 = 18648
Step 43: 18648 + 444 = 19092
Step 44: 19092 + 444 = 19536
Step 45: 19536 + 444 = 19980
Step 46: 19980 + 444 = 20424
Step 47: 20424 + 444 = 20868
Step 48: 20868 + 444 = 21312
Step 49: 21312 + 444 = 21756
Step 50: 21756 + 444 = 22200
Step 51: 22200 + 444 = 22644
Step 52: 22644 + 444 = 23088
Step 53: 23088 + 444 = 23532
Step 54: 23532 + 444 = 23976
Step 55: 23976 + 444 = 24420
Step 56: 24420 + 444 = 24864
Step 57: 24864 + 444 = 25308
Step 58: 25308 + 444 = 25752
Step 59: 25752 + 444 = 26196
Step 60: 26196 + 444 = 26640
Step 61: 26640 + 444 = 27084
Step 62: 27084 + 444 = 27528
Step 63: 27528 + 444 = 27972
Step 64: 27972 + 444 = 28416
Step 65: 28416 + 444 = 28860
Step 66: 28860 + 444 = 29304
Step 67: 29304 + 444 = 29748
Step 68: 29748 + 444 = 30192
Step 69: 30192 + 444 = 30636
Step 70: 30636 + 444 = 31080
Step 71: 31080 + 444 = 31524
Step 72: 31524 + 444 = 31968
Step 73: 31968 + 444 = 32412
Step 74: 32412 + 444 = 32856
Step 75: 32856 + 444 = 33300
Step 76: 33300 + 444 = 33744
Step 77: 33744 + 444 = 34188
Step 78: 34188 + 444 = 34632
Step 79: 34632 + 444 = 35076
Step 80: 35076 + 444 = 35520
Step 81: 35520 + 444 = 35964
Step 82: 35964 + 444 = 36408
Step 83: 36408 + 444 = 36852
Step 84: 36852 + 444 = 37296
Step 85: 37296 + 444 = 37740
Step 86: 37740 + 444 = 38184
Step 87: 38184 + 444 = 38628
Step 88: 38628 + 444 = 39072
Step 89: 39072 + 444 = 39516
Step 90: 39516 + 444 = 39960
Step 91: 39960 + 444 = 40404
Step 92: 40404 + 444 = 40848
Step 93: 40848 + 444 = 41292
Step 94: 41292 + 444 = 41736
Step 95: 41736 + 444 = 42180
Step 96: 42180 + 444 = 42624
Step 97: 42624 + 444 = 43068
Step 98: 43068 + 444 = 43512
Step 99: 43512 + 444 = 43956
Step 100: 43956 + 444 = 44400
Step 101: 44400 + 444 = 44844
Step 102: 44844 + 444 = 45288
Step 103: 45288 + 444 = 45732
Step 104: 45732 + 444 = 46176
Step 105: 46176 + 444 = 46620
Step 106: 46620 + 444 = 47064
Step 107: 47064 + 444 = 47508
Step 108: 47508 + 444 = 47952
Step 109: 47952 + 444 = 48396
Step 110: 48396 + 444 = 48840
Step 111: 48840 + 444 = 49284
Step 112: 49284 + 444 = 49728
Step 113: 49728 + 444 = 50172
Step 114: 50172 + 444 = 50616
Step 115: 50616 + 444 = 51060
Step 116: 51060 + 444 = 51504
Step 117: 51504 + 444 = 51948
Step 118: 51948 + 444 = 52392
Step 119: 52392 + 444 = 52836
Step 120: 52836 + 444 = 53280
Step 121: 53280 + 444 = 53724
Step 122: 53724 + 444 = 54168
Step 123: 54168 + 444 = 54612
Step 124: 54612 + 444 = 55056
Step 125: 55056 + 444 = 55500
Step 126: 55500 + 444 = 55944
Step 127: 55944 + 444 = 56388
Step 128: 56388 + 444 = 56832
Step 129: 56832 + 444 = 57276
Step 130: 57276 + 444 = 57720
Step 131: 57720 + 444 = 58164
Step 132: 58164 + 444 = 58608
Step 133: 58608 + 444 = 59052
Step 134: 59052 + 444 = 59496
Step 135: 59496 + 444 = 59940
Step 136: 59940 + 444 = 60384
Step 137: 60384 + 444 = 60828
Step 138: 60828 + 444 = 61272
Step 139: 61272 + 444 = 61716
Step 140: 61716 + 444 = 62160
Step 141: 62160 + 444 = 62604
Step 142: 62604 + 444 = 63048
Step 143: 63048 + 444 = 63492
Step 144: 63492 + 444 = 63936
Step 145: 63936 + 444 = 64380
Step 146: 64380 + 444 = 64824
Step 147: 64824 + 444 = 65268
Step 148: 65268 + 444 = 65712
Step 149: 65712 + 444 = 66156
Step 150: 66156 + 444 = 66600
Step 151: 66600 + 444 = 67044
Step 152: 67044 + 444 = 67488
Step 153: 67488 + 444 = 67932
Step 154: 67932 + 444 = 68376
Step 155: 68376 + 444 = 68820
Step 156: 68820 + 444 = 69264
Step 157: 69264 + 444 = 69708
Step 158: 69708 + 444 = 70152
Step 159: 70152 + 444 = 70596
Step 160: 70596 + 444 = 71040
Step 161: 71040 + 444 = 71484
Step 162: 71484 + 444 = 71928
Step 163: 71928 + 444 = 72372
Step 164: 72372 + 444 = 72816
Step 165: 72816 + 444 = 73260
Step 166: 73260 + 444 = 73704
Step 167: 73704 + 444 = 74148
Step 168: 74148 + 444 = 74592
Step 169: 74592 + 444 = 75036
Step 170: 75036 + 444 = 75480
Step 171: 75480 + 444 = 75924
Step 172: 75924 + 444 = 76368
Step 173: 76368 + 444 = 76812
Step 174: 76812 + 444 = 77256
Step 175: 77256 + 444 = 77700
Step 176: 77700 + 444 = 78144
Step 177: 78144 + 444 = 78588
Step 178: 78588 + 444 = 79032
Step 179: 79032 + 444 = 79476
Step 180: 79476 + 444 = 79920
Step 181: 79920 + 444 = 80364
Step 182: 80364 + 444 = 80808
Step 183: 80808 + 444 = 81252
Step 184: 81252 + 444 = 81696
Step 185: 81696 + 444 = 82140
Step 186: 82140 + 444 = 82584
Step 187: 82584 + 444 = 83028
Step 188: 83028 + 444 = 83472
Step 189: 83472 + 444 = 83916
Step 190: 83916 + 444 = 84360
Step 191: 84360 + 444 = 84804
Step 192: 84804 + 444 = 85248
Step 193: 85248 + 444 = 85692
Step 194: 85692 + 444 = 86136
Step 195: 86136 + 444 = 86580
Step 196: 86580 + 444 = 87024
Step 197: 87024 + 444 = 87468
Step 198: 87468 + 444 = 87912
Step 199: 87912 + 444 = 88356
Step 200: 88356 + 444 = 88800
Step 201: 88800 + 444 = 89244
Step 202: 89244 + 444 = 89688
Step 203: 89688 + 444 = 90132
Step 204: 90132 + 444 = 90576
Step 205: 90576 + 444 = 91020
Step 206: 91020 + 444 = 91464
Step 207: 91464 + 444 = 91908
Step 208: 91908 + 444 = 92352
Step 209: 92352 + 444 = 92796
Step 210: 92796 + 444 = 93240
Step 211: 93240 + 444 = 93684
Step 212: 93684 + 444 = 94128
Step 213: 94128 + 444 = 94572
Step 214: 94572 + 444 = 95016
Step 215: 95016 + 444 = 95460
Step 216: 95460 + 444 = 95904
Step 217: 95904 + 444 = 96348
Step 218: 96348 + 444 = 96792
Step 219: 96792 + 444 = 97236
Step 220: 97236 + 444 = 97680
Step 221: 97680 + 444 = 98124
Step 222: 98124 + 444 = 98568
Step 223: 98568 + 444 = 99012
Step 224: 99012 + 444 = 99456
Step 225: 99456 + 444 = 99900
Step 226: 99900 + 444 = 100344
Step 227: 100344 + 444 = 100788
Step 228: 100788 + 444 = 101232
Step 229: 101232 + 444 = 101676
Step 230: 101676 + 444 = 102120
Step 231: 102120 + 444 = 102564
Step 232: 102564 + 444 = 103008
Step 233: 103008 + 444 = 103452
Step 234: 103452 + 444 = 103896
Step 235: 103896 + 444 = 104340
Step 236: 104340 + 444 = 104784
Step 237: 104784 + 444 = 105228
Step 238: 105228 + 444 = 105672
Step 239: 105672 + 444 = 106116
Step 240: 106116 + 444 = 106560
Step 241: 106560 + 444 = 107004
Step 242: 107004 + 444 = 107448
Step 243: 107448 + 444 = 107892
Step 244: 107892 + 444 = 108336
Step 245: 108336 + 444 = 108780
Step 246: 108780 + 444 = 109224
Step 247: 109224 + 444 = 109668
Step 248: 109668 + 444 = 110112
Step 249: 110112 + 444 = 110556
Step 250: 110556 + 444 = 111000
Step 251: 111000 + 444 = 111444
Step 252: 111444 + 444 = 111888
Step 253: 111888 + 444 = 112332
Step 254: 112332 + 444 = 112776
Step 255: 112776 + 444 = 113220
Step 256: 113220 + 444 = 113664
Step 257: 113664 + 444 = 114108
Step 258: 114108 + 444 = 114552
Step 259: 114552 + 444 = 114996
Step 260: 114996 + 444 = 115440
Step 261: 115440 + 444 = 115884
Step 262: 115884 + 444 = 116328
Step 263: 116328 + 444 = 116772
Step 264: 116772 + 444 = 117216
Step 265: 117216 + 444 = 117660
Step 266: 117660 + 444 = 118104
Step 267: 118104 + 444 = 118548
Step 268: 118548 + 444 = 118992
Step 269: 118992 + 444 = 119436
Step 270: 119436 + 444 = 119880
Step 271: 119880 + 444 = 120324
Step 272: 120324 + 444 = 120768
Step 273: 120768 + 444 = 121212
Step 274: 121212 + 444 = 121656
Step 275: 121656 + 444 = 122100
Step 276: 122100 + 444 = 122544
Step 277: 122544 + 444 = 122988
Step 278: 122988 + 444 = 123432
Step 279: 123432 + 444 = 123876
Step 280: 123876 + 444 = 124320
Step 281: 124320 + 444 = 124764
Step 282: 124764 + 444 = 125208
Step 283: 125208 + 444 = 125652
Step 284: 125652 + 444 = 126096
Step 285: 126096 + 444 = 126540
Step 286: 126540 + 444 = 126984
Step 287: 126984 + 444 = 127428
Step 288: 127428 + 444 = 127872
Step 289: 127872 + 444 = 128316
Step 290: 128316 + 444 = 128760
Step 291: 128760 + 444 = 129204
Step 292: 129204 + 444 = 129648
Step 293: 129648 + 444 = 130092
Step 294: 130092 + 444 = 130536
Step 295: 130536 + 444 = 130980
Step 296: 130980 + 444 = 131424
Step 297: 131424 + 444 = 131868
Step 298: 131868 + 444 = 132312
Step 299: 132312 + 444 = 132756
Step 300: 132756 + 444 = 133200
Step 301: 133200 + 444 = 133644
Step 302: 133644 + 444 = 134088
Step 303: 134088 + 444 = 134532
Step 304: 134532 + 444 = 134976
Step 305: 134976 + 444 = 135420
Step 306: 135420 + 444 = 135864
Step 307: 135864 + 444 = 136308
Step 308: 136308 + 444 = 136752
Step 309: 136752 + 444 = 137196
Step 310: 137196 + 444 = 137640
Step 311: 137640 + 444 = 138084
Step 312: 138084 + 444 = 138528
Step 313: 138528 + 444 = 138972
Step 314: 138972 + 444 = 139416
Step 315: 139416 + 444 = 139860
Step 316: 139860 + 444 = 140304
Step 317: 140304 + 444 = 140748
Step 318: 140748 + 444 = 141192
Step 319: 141192 + 444 = 141636
Step 320: 141636 + 444 = 142080
Step 321: 142080 + 444 = 142524
Step 322: 142524 + 444 = 142968
Step 323: 142968 + 444 = 143412
Step 324: 143412 + 444 = 143856
Step 325: 143856 + 444 = 144300
Step 326: 144300 + 444 = 144744
Step 327: 144744 + 444 = 145188
Step 328: 145188 + 444 = 145632
Step 329: 145632 + 444 = 146076
Step 330: 146076 + 444 = 146520
Step 331: 146520 + 444 = 146964
Step 332: 146964 + 444 = 147408
Step 333: 147408 + 444 = 147852
Step 334: 147852 + 444 = 148296
Step 335: 148296 + 444 = 148740
Step 336: 148740 + 444 = 149184
Step 337: 149184 + 444 = 149628
Step 338: 149628 + 444 = 150072
Step 339: 150072 + 444 = 150516
Step 340: 150516 + 444 = 150960
Step 341: 150960 + 444 = 151404
Step 342: 151404 + 444 = 151848
Step 343: 151848 + 444 = 152292
Step 344: 152292 + 444 = 152736
Step 345: 152736 + 444 = 153180

So, 444*345 = 153180