Sure thing, let's get straight to it. We start with 304 and we're going to multiply it by 155, which means adding 304 to itself 155 times.
Step 1: 0 + 304 = 304
Step 2: 304 + 304 = 608
Step 3: 608 + 304 = 912
Step 4: 912 + 304 = 1216
Step 5: 1216 + 304 = 1520
Step 6: 1520 + 304 = 1824
Step 7: 1824 + 304 = 2128
Step 8: 2128 + 304 = 2432
Step 9: 2432 + 304 = 2736
Step 10: 2736 + 304 = 3040
Step 11: 3040 + 304 = 3344
Step 12: 3344 + 304 = 3648
Step 13: 3648 + 304 = 3952
Step 14: 3952 + 304 = 4256
Step 15: 4256 + 304 = 4560
Step 16: 4560 + 304 = 4864
Step 17: 4864 + 304 = 5168
Step 18: 5168 + 304 = 5472
Step 19: 5472 + 304 = 5776
Step 20: 5776 + 304 = 6080
Step 21: 6080 + 304 = 6384
Step 22: 6384 + 304 = 6688
Step 23: 6688 + 304 = 6992
Step 24: 6992 + 304 = 7296
Step 25: 7296 + 304 = 7600
Step 26: 7600 + 304 = 7904
Step 27: 7904 + 304 = 8208
Step 28: 8208 + 304 = 8512
Step 29: 8512 + 304 = 8816
Step 30: 8816 + 304 = 9120
Step 31: 9120 + 304 = 9424
Step 32: 9424 + 304 = 9728
Step 33: 9728 + 304 = 10032
Step 34: 10032 + 304 = 10336
Step 35: 10336 + 304 = 10640
Step 36: 10640 + 304 = 10944
Step 37: 10944 + 304 = 11248
Step 38: 11248 + 304 = 11552
Step 39: 11552 + 304 = 11856
Step 40: 11856 + 304 = 12160
Step 41: 12160 + 304 = 12464
Step 42: 12464 + 304 = 12768
Step 43: 12768 + 304 = 13072
Step 44: 13072 + 304 = 13376
Step 45: 13376 + 304 = 13680
Step 46: 13680 + 304 = 13984
Step 47: 13984 + 304 = 14288
Step 48: 14288 + 304 = 14592
Step 49: 14592 + 304 = 14896
Step 50: 14896 + 304 = 15200
Step 51: 15200 + 304 = 15504
Step 52: 15504 + 304 = 15808
Step 53: 15808 + 304 = 16112
Step 54: 16112 + 304 = 16416
Step 55: 16416 + 304 = 16720
Step 56: 16720 + 304 = 17024
Step 57: 17024 + 304 = 17328
Step 58: 17328 + 304 = 17632
Step 59: 17632 + 304 = 17936
Step 60: 17936 + 304 = 18240
Step 61: 18240 + 304 = 18544
Step 62: 18544 + 304 = 18848
Step 63: 18848 + 304 = 19152
Step 64: 19152 + 304 = 19456
Step 65: 19456 + 304 = 19760
Step 66: 19760 + 304 = 20064
Step 67: 20064 + 304 = 20368
Step 68: 20368 + 304 = 20672
Step 69: 20672 + 304 = 20976
Step 70: 20976 + 304 = 21280
Step 71: 21280 + 304 = 21584
Step 72: 21584 + 304 = 21888
Step 73: 21888 + 304 = 22192
Step 74: 22192 + 304 = 22496
Step 75: 22496 + 304 = 22800
Step 76: 22800 + 304 = 23104
Step 77: 23104 + 304 = 23408
Step 78: 23408 + 304 = 23712
Step 79: 23712 + 304 = 24016
Step 80: 24016 + 304 = 24320
Step 81: 24320 + 304 = 24624
Step 82: 24624 + 304 = 24928
Step 83: 24928 + 304 = 25232
Step 84: 25232 + 304 = 25536
Step 85: 25536 + 304 = 25840
Step 86: 25840 + 304 = 26144
Step 87: 26144 + 304 = 26448
Step 88: 26448 + 304 = 26752
Step 89: 26752 + 304 = 27056
Step 90: 27056 + 304 = 27360
Step 91: 27360 + 304 = 27664
Step 92: 27664 + 304 = 27968
Step 93: 27968 + 304 = 28272
Step 94: 28272 + 304 = 28576
Step 95: 28576 + 304 = 28880
Step 96: 28880 + 304 = 29184
Step 97: 29184 + 304 = 29488
Step 98: 29488 + 304 = 29792
Step 99: 29792 + 304 = 30096
Step 100: 30096 + 304 = 30400
Step 101: 30400 + 304 = 30704
Step 102: 30704 + 304 = 31008
Step 103: 31008 + 304 = 31312
Step 104: 31312 + 304 = 31616
Step 105: 31616 + 304 = 31920
Step 106: 31920 + 304 = 32224
Step 107: 32224 + 304 = 32528
Step 108: 32528 + 304 = 32832
Step 109: 32832 + 304 = 33136
Step 110: 33136 + 304 = 33440
Step 111: 33440 + 304 = 33744
Step 112: 33744 + 304 = 34048
Step 113: 34048 + 304 = 34352
Step 114: 34352 + 304 = 34656
Step 115: 34656 + 304 = 34960
Step 116: 34960 + 304 = 35264
Step 117: 35264 + 304 = 35568
Step 118: 35568 + 304 = 35872
Step 119: 35872 + 304 = 36176
Step 120: 36176 + 304 = 36480
Step 121: 36480 + 304 = 36784
Step 122: 36784 + 304 = 37088
Step 123: 37088 + 304 = 37392
Step 124: 37392 + 304 = 37696
Step 125: 37696 + 304 = 38000
Step 126: 38000 + 304 = 38304
Step 127: 38304 + 304 = 38608
Step 128: 38608 + 304 = 38912
Step 129: 38912 + 304 = 39216
Step 130: 39216 + 304 = 39520
Step 131: 39520 + 304 = 39824
Step 132: 39824 + 304 = 40128
Step 133: 40128 + 304 = 40432
Step 134: 40432 + 304 = 40736
Step 135: 40736 + 304 = 41040
Step 136: 41040 + 304 = 41344
Step 137: 41344 + 304 = 41648
Step 138: 41648 + 304 = 41952
Step 139: 41952 + 304 = 42256
Step 140: 42256 + 304 = 42560
Step 141: 42560 + 304 = 42864
Step 142: 42864 + 304 = 43168
Step 143: 43168 + 304 = 43472
Step 144: 43472 + 304 = 43776
Step 145: 43776 + 304 = 44080
Step 146: 44080 + 304 = 44384
Step 147: 44384 + 304 = 44688
Step 148: 44688 + 304 = 44992
Step 149: 44992 + 304 = 45296
Step 150: 45296 + 304 = 45600
Step 151: 45600 + 304 = 45904
Step 152: 45904 + 304 = 46208
Step 153: 46208 + 304 = 46512
Step 154: 46512 + 304 = 46816
Step 155: 46816 + 304 = 47120

So, 304*155 = 47120