Sure thing, let's get straight to it. We start with 303 and we're going to multiply it by 159, which means adding 303 to itself 159 times.
Step 1: 0 + 303 = 303
Step 2: 303 + 303 = 606
Step 3: 606 + 303 = 909
Step 4: 909 + 303 = 1212
Step 5: 1212 + 303 = 1515
Step 6: 1515 + 303 = 1818
Step 7: 1818 + 303 = 2121
Step 8: 2121 + 303 = 2424
Step 9: 2424 + 303 = 2727
Step 10: 2727 + 303 = 3030
Step 11: 3030 + 303 = 3333
Step 12: 3333 + 303 = 3636
Step 13: 3636 + 303 = 3939
Step 14: 3939 + 303 = 4242
Step 15: 4242 + 303 = 4545
Step 16: 4545 + 303 = 4848
Step 17: 4848 + 303 = 5151
Step 18: 5151 + 303 = 5454
Step 19: 5454 + 303 = 5757
Step 20: 5757 + 303 = 6060
Step 21: 6060 + 303 = 6363
Step 22: 6363 + 303 = 6666
Step 23: 6666 + 303 = 6969
Step 24: 6969 + 303 = 7272
Step 25: 7272 + 303 = 7575
Step 26: 7575 + 303 = 7878
Step 27: 7878 + 303 = 8181
Step 28: 8181 + 303 = 8484
Step 29: 8484 + 303 = 8787
Step 30: 8787 + 303 = 9090
Step 31: 9090 + 303 = 9393
Step 32: 9393 + 303 = 9696
Step 33: 9696 + 303 = 9999
Step 34: 9999 + 303 = 10302
Step 35: 10302 + 303 = 10605
Step 36: 10605 + 303 = 10908
Step 37: 10908 + 303 = 11211
Step 38: 11211 + 303 = 11514
Step 39: 11514 + 303 = 11817
Step 40: 11817 + 303 = 12120
Step 41: 12120 + 303 = 12423
Step 42: 12423 + 303 = 12726
Step 43: 12726 + 303 = 13029
Step 44: 13029 + 303 = 13332
Step 45: 13332 + 303 = 13635
Step 46: 13635 + 303 = 13938
Step 47: 13938 + 303 = 14241
Step 48: 14241 + 303 = 14544
Step 49: 14544 + 303 = 14847
Step 50: 14847 + 303 = 15150
Step 51: 15150 + 303 = 15453
Step 52: 15453 + 303 = 15756
Step 53: 15756 + 303 = 16059
Step 54: 16059 + 303 = 16362
Step 55: 16362 + 303 = 16665
Step 56: 16665 + 303 = 16968
Step 57: 16968 + 303 = 17271
Step 58: 17271 + 303 = 17574
Step 59: 17574 + 303 = 17877
Step 60: 17877 + 303 = 18180
Step 61: 18180 + 303 = 18483
Step 62: 18483 + 303 = 18786
Step 63: 18786 + 303 = 19089
Step 64: 19089 + 303 = 19392
Step 65: 19392 + 303 = 19695
Step 66: 19695 + 303 = 19998
Step 67: 19998 + 303 = 20301
Step 68: 20301 + 303 = 20604
Step 69: 20604 + 303 = 20907
Step 70: 20907 + 303 = 21210
Step 71: 21210 + 303 = 21513
Step 72: 21513 + 303 = 21816
Step 73: 21816 + 303 = 22119
Step 74: 22119 + 303 = 22422
Step 75: 22422 + 303 = 22725
Step 76: 22725 + 303 = 23028
Step 77: 23028 + 303 = 23331
Step 78: 23331 + 303 = 23634
Step 79: 23634 + 303 = 23937
Step 80: 23937 + 303 = 24240
Step 81: 24240 + 303 = 24543
Step 82: 24543 + 303 = 24846
Step 83: 24846 + 303 = 25149
Step 84: 25149 + 303 = 25452
Step 85: 25452 + 303 = 25755
Step 86: 25755 + 303 = 26058
Step 87: 26058 + 303 = 26361
Step 88: 26361 + 303 = 26664
Step 89: 26664 + 303 = 26967
Step 90: 26967 + 303 = 27270
Step 91: 27270 + 303 = 27573
Step 92: 27573 + 303 = 27876
Step 93: 27876 + 303 = 28179
Step 94: 28179 + 303 = 28482
Step 95: 28482 + 303 = 28785
Step 96: 28785 + 303 = 29088
Step 97: 29088 + 303 = 29391
Step 98: 29391 + 303 = 29694
Step 99: 29694 + 303 = 29997
Step 100: 29997 + 303 = 30300
Step 101: 30300 + 303 = 30603
Step 102: 30603 + 303 = 30906
Step 103: 30906 + 303 = 31209
Step 104: 31209 + 303 = 31512
Step 105: 31512 + 303 = 31815
Step 106: 31815 + 303 = 32118
Step 107: 32118 + 303 = 32421
Step 108: 32421 + 303 = 32724
Step 109: 32724 + 303 = 33027
Step 110: 33027 + 303 = 33330
Step 111: 33330 + 303 = 33633
Step 112: 33633 + 303 = 33936
Step 113: 33936 + 303 = 34239
Step 114: 34239 + 303 = 34542
Step 115: 34542 + 303 = 34845
Step 116: 34845 + 303 = 35148
Step 117: 35148 + 303 = 35451
Step 118: 35451 + 303 = 35754
Step 119: 35754 + 303 = 36057
Step 120: 36057 + 303 = 36360
Step 121: 36360 + 303 = 36663
Step 122: 36663 + 303 = 36966
Step 123: 36966 + 303 = 37269
Step 124: 37269 + 303 = 37572
Step 125: 37572 + 303 = 37875
Step 126: 37875 + 303 = 38178
Step 127: 38178 + 303 = 38481
Step 128: 38481 + 303 = 38784
Step 129: 38784 + 303 = 39087
Step 130: 39087 + 303 = 39390
Step 131: 39390 + 303 = 39693
Step 132: 39693 + 303 = 39996
Step 133: 39996 + 303 = 40299
Step 134: 40299 + 303 = 40602
Step 135: 40602 + 303 = 40905
Step 136: 40905 + 303 = 41208
Step 137: 41208 + 303 = 41511
Step 138: 41511 + 303 = 41814
Step 139: 41814 + 303 = 42117
Step 140: 42117 + 303 = 42420
Step 141: 42420 + 303 = 42723
Step 142: 42723 + 303 = 43026
Step 143: 43026 + 303 = 43329
Step 144: 43329 + 303 = 43632
Step 145: 43632 + 303 = 43935
Step 146: 43935 + 303 = 44238
Step 147: 44238 + 303 = 44541
Step 148: 44541 + 303 = 44844
Step 149: 44844 + 303 = 45147
Step 150: 45147 + 303 = 45450
Step 151: 45450 + 303 = 45753
Step 152: 45753 + 303 = 46056
Step 153: 46056 + 303 = 46359
Step 154: 46359 + 303 = 46662
Step 155: 46662 + 303 = 46965
Step 156: 46965 + 303 = 47268
Step 157: 47268 + 303 = 47571
Step 158: 47571 + 303 = 47874
Step 159: 47874 + 303 = 48177

So, 303*159 = 48177