Let's get this math done. We have 189 and we're going to multiply it by 250. This is the same as taking 189 and adding it to itself 250 times.
Step 1: 0 + 189 = 189
Step 2: 189 + 189 = 378
Step 3: 378 + 189 = 567
Step 4: 567 + 189 = 756
Step 5: 756 + 189 = 945
Step 6: 945 + 189 = 1134
Step 7: 1134 + 189 = 1323
Step 8: 1323 + 189 = 1512
Step 9: 1512 + 189 = 1701
Step 10: 1701 + 189 = 1890
Step 11: 1890 + 189 = 2079
Step 12: 2079 + 189 = 2268
Step 13: 2268 + 189 = 2457
Step 14: 2457 + 189 = 2646
Step 15: 2646 + 189 = 2835
Step 16: 2835 + 189 = 3024
Step 17: 3024 + 189 = 3213
Step 18: 3213 + 189 = 3402
Step 19: 3402 + 189 = 3591
Step 20: 3591 + 189 = 3780
Step 21: 3780 + 189 = 3969
Step 22: 3969 + 189 = 4158
Step 23: 4158 + 189 = 4347
Step 24: 4347 + 189 = 4536
Step 25: 4536 + 189 = 4725
Step 26: 4725 + 189 = 4914
Step 27: 4914 + 189 = 5103
Step 28: 5103 + 189 = 5292
Step 29: 5292 + 189 = 5481
Step 30: 5481 + 189 = 5670
Step 31: 5670 + 189 = 5859
Step 32: 5859 + 189 = 6048
Step 33: 6048 + 189 = 6237
Step 34: 6237 + 189 = 6426
Step 35: 6426 + 189 = 6615
Step 36: 6615 + 189 = 6804
Step 37: 6804 + 189 = 6993
Step 38: 6993 + 189 = 7182
Step 39: 7182 + 189 = 7371
Step 40: 7371 + 189 = 7560
Step 41: 7560 + 189 = 7749
Step 42: 7749 + 189 = 7938
Step 43: 7938 + 189 = 8127
Step 44: 8127 + 189 = 8316
Step 45: 8316 + 189 = 8505
Step 46: 8505 + 189 = 8694
Step 47: 8694 + 189 = 8883
Step 48: 8883 + 189 = 9072
Step 49: 9072 + 189 = 9261
Step 50: 9261 + 189 = 9450
Step 51: 9450 + 189 = 9639
Step 52: 9639 + 189 = 9828
Step 53: 9828 + 189 = 10017
Step 54: 10017 + 189 = 10206
Step 55: 10206 + 189 = 10395
Step 56: 10395 + 189 = 10584
Step 57: 10584 + 189 = 10773
Step 58: 10773 + 189 = 10962
Step 59: 10962 + 189 = 11151
Step 60: 11151 + 189 = 11340
Step 61: 11340 + 189 = 11529
Step 62: 11529 + 189 = 11718
Step 63: 11718 + 189 = 11907
Step 64: 11907 + 189 = 12096
Step 65: 12096 + 189 = 12285
Step 66: 12285 + 189 = 12474
Step 67: 12474 + 189 = 12663
Step 68: 12663 + 189 = 12852
Step 69: 12852 + 189 = 13041
Step 70: 13041 + 189 = 13230
Step 71: 13230 + 189 = 13419
Step 72: 13419 + 189 = 13608
Step 73: 13608 + 189 = 13797
Step 74: 13797 + 189 = 13986
Step 75: 13986 + 189 = 14175
Step 76: 14175 + 189 = 14364
Step 77: 14364 + 189 = 14553
Step 78: 14553 + 189 = 14742
Step 79: 14742 + 189 = 14931
Step 80: 14931 + 189 = 15120
Step 81: 15120 + 189 = 15309
Step 82: 15309 + 189 = 15498
Step 83: 15498 + 189 = 15687
Step 84: 15687 + 189 = 15876
Step 85: 15876 + 189 = 16065
Step 86: 16065 + 189 = 16254
Step 87: 16254 + 189 = 16443
Step 88: 16443 + 189 = 16632
Step 89: 16632 + 189 = 16821
Step 90: 16821 + 189 = 17010
Step 91: 17010 + 189 = 17199
Step 92: 17199 + 189 = 17388
Step 93: 17388 + 189 = 17577
Step 94: 17577 + 189 = 17766
Step 95: 17766 + 189 = 17955
Step 96: 17955 + 189 = 18144
Step 97: 18144 + 189 = 18333
Step 98: 18333 + 189 = 18522
Step 99: 18522 + 189 = 18711
Step 100: 18711 + 189 = 18900
Step 101: 18900 + 189 = 19089
Step 102: 19089 + 189 = 19278
Step 103: 19278 + 189 = 19467
Step 104: 19467 + 189 = 19656
Step 105: 19656 + 189 = 19845
Step 106: 19845 + 189 = 20034
Step 107: 20034 + 189 = 20223
Step 108: 20223 + 189 = 20412
Step 109: 20412 + 189 = 20601
Step 110: 20601 + 189 = 20790
Step 111: 20790 + 189 = 20979
Step 112: 20979 + 189 = 21168
Step 113: 21168 + 189 = 21357
Step 114: 21357 + 189 = 21546
Step 115: 21546 + 189 = 21735
Step 116: 21735 + 189 = 21924
Step 117: 21924 + 189 = 22113
Step 118: 22113 + 189 = 22302
Step 119: 22302 + 189 = 22491
Step 120: 22491 + 189 = 22680
Step 121: 22680 + 189 = 22869
Step 122: 22869 + 189 = 23058
Step 123: 23058 + 189 = 23247
Step 124: 23247 + 189 = 23436
Step 125: 23436 + 189 = 23625
Step 126: 23625 + 189 = 23814
Step 127: 23814 + 189 = 24003
Step 128: 24003 + 189 = 24192
Step 129: 24192 + 189 = 24381
Step 130: 24381 + 189 = 24570
Step 131: 24570 + 189 = 24759
Step 132: 24759 + 189 = 24948
Step 133: 24948 + 189 = 25137
Step 134: 25137 + 189 = 25326
Step 135: 25326 + 189 = 25515
Step 136: 25515 + 189 = 25704
Step 137: 25704 + 189 = 25893
Step 138: 25893 + 189 = 26082
Step 139: 26082 + 189 = 26271
Step 140: 26271 + 189 = 26460
Step 141: 26460 + 189 = 26649
Step 142: 26649 + 189 = 26838
Step 143: 26838 + 189 = 27027
Step 144: 27027 + 189 = 27216
Step 145: 27216 + 189 = 27405
Step 146: 27405 + 189 = 27594
Step 147: 27594 + 189 = 27783
Step 148: 27783 + 189 = 27972
Step 149: 27972 + 189 = 28161
Step 150: 28161 + 189 = 28350
Step 151: 28350 + 189 = 28539
Step 152: 28539 + 189 = 28728
Step 153: 28728 + 189 = 28917
Step 154: 28917 + 189 = 29106
Step 155: 29106 + 189 = 29295
Step 156: 29295 + 189 = 29484
Step 157: 29484 + 189 = 29673
Step 158: 29673 + 189 = 29862
Step 159: 29862 + 189 = 30051
Step 160: 30051 + 189 = 30240
Step 161: 30240 + 189 = 30429
Step 162: 30429 + 189 = 30618
Step 163: 30618 + 189 = 30807
Step 164: 30807 + 189 = 30996
Step 165: 30996 + 189 = 31185
Step 166: 31185 + 189 = 31374
Step 167: 31374 + 189 = 31563
Step 168: 31563 + 189 = 31752
Step 169: 31752 + 189 = 31941
Step 170: 31941 + 189 = 32130
Step 171: 32130 + 189 = 32319
Step 172: 32319 + 189 = 32508
Step 173: 32508 + 189 = 32697
Step 174: 32697 + 189 = 32886
Step 175: 32886 + 189 = 33075
Step 176: 33075 + 189 = 33264
Step 177: 33264 + 189 = 33453
Step 178: 33453 + 189 = 33642
Step 179: 33642 + 189 = 33831
Step 180: 33831 + 189 = 34020
Step 181: 34020 + 189 = 34209
Step 182: 34209 + 189 = 34398
Step 183: 34398 + 189 = 34587
Step 184: 34587 + 189 = 34776
Step 185: 34776 + 189 = 34965
Step 186: 34965 + 189 = 35154
Step 187: 35154 + 189 = 35343
Step 188: 35343 + 189 = 35532
Step 189: 35532 + 189 = 35721
Step 190: 35721 + 189 = 35910
Step 191: 35910 + 189 = 36099
Step 192: 36099 + 189 = 36288
Step 193: 36288 + 189 = 36477
Step 194: 36477 + 189 = 36666
Step 195: 36666 + 189 = 36855
Step 196: 36855 + 189 = 37044
Step 197: 37044 + 189 = 37233
Step 198: 37233 + 189 = 37422
Step 199: 37422 + 189 = 37611
Step 200: 37611 + 189 = 37800
Step 201: 37800 + 189 = 37989
Step 202: 37989 + 189 = 38178
Step 203: 38178 + 189 = 38367
Step 204: 38367 + 189 = 38556
Step 205: 38556 + 189 = 38745
Step 206: 38745 + 189 = 38934
Step 207: 38934 + 189 = 39123
Step 208: 39123 + 189 = 39312
Step 209: 39312 + 189 = 39501
Step 210: 39501 + 189 = 39690
Step 211: 39690 + 189 = 39879
Step 212: 39879 + 189 = 40068
Step 213: 40068 + 189 = 40257
Step 214: 40257 + 189 = 40446
Step 215: 40446 + 189 = 40635
Step 216: 40635 + 189 = 40824
Step 217: 40824 + 189 = 41013
Step 218: 41013 + 189 = 41202
Step 219: 41202 + 189 = 41391
Step 220: 41391 + 189 = 41580
Step 221: 41580 + 189 = 41769
Step 222: 41769 + 189 = 41958
Step 223: 41958 + 189 = 42147
Step 224: 42147 + 189 = 42336
Step 225: 42336 + 189 = 42525
Step 226: 42525 + 189 = 42714
Step 227: 42714 + 189 = 42903
Step 228: 42903 + 189 = 43092
Step 229: 43092 + 189 = 43281
Step 230: 43281 + 189 = 43470
Step 231: 43470 + 189 = 43659
Step 232: 43659 + 189 = 43848
Step 233: 43848 + 189 = 44037
Step 234: 44037 + 189 = 44226
Step 235: 44226 + 189 = 44415
Step 236: 44415 + 189 = 44604
Step 237: 44604 + 189 = 44793
Step 238: 44793 + 189 = 44982
Step 239: 44982 + 189 = 45171
Step 240: 45171 + 189 = 45360
Step 241: 45360 + 189 = 45549
Step 242: 45549 + 189 = 45738
Step 243: 45738 + 189 = 45927
Step 244: 45927 + 189 = 46116
Step 245: 46116 + 189 = 46305
Step 246: 46305 + 189 = 46494
Step 247: 46494 + 189 = 46683
Step 248: 46683 + 189 = 46872
Step 249: 46872 + 189 = 47061
Step 250: 47061 + 189 = 47250

So, 189*250 = 47250