OK, let's crack this. We're given 584 and our task is to multiply it by 143. Essentially, we'll be adding 584 to itself 143 times.
Step 1: 0 + 584 = 584
Step 2: 584 + 584 = 1168
Step 3: 1168 + 584 = 1752
Step 4: 1752 + 584 = 2336
Step 5: 2336 + 584 = 2920
Step 6: 2920 + 584 = 3504
Step 7: 3504 + 584 = 4088
Step 8: 4088 + 584 = 4672
Step 9: 4672 + 584 = 5256
Step 10: 5256 + 584 = 5840
Step 11: 5840 + 584 = 6424
Step 12: 6424 + 584 = 7008
Step 13: 7008 + 584 = 7592
Step 14: 7592 + 584 = 8176
Step 15: 8176 + 584 = 8760
Step 16: 8760 + 584 = 9344
Step 17: 9344 + 584 = 9928
Step 18: 9928 + 584 = 10512
Step 19: 10512 + 584 = 11096
Step 20: 11096 + 584 = 11680
Step 21: 11680 + 584 = 12264
Step 22: 12264 + 584 = 12848
Step 23: 12848 + 584 = 13432
Step 24: 13432 + 584 = 14016
Step 25: 14016 + 584 = 14600
Step 26: 14600 + 584 = 15184
Step 27: 15184 + 584 = 15768
Step 28: 15768 + 584 = 16352
Step 29: 16352 + 584 = 16936
Step 30: 16936 + 584 = 17520
Step 31: 17520 + 584 = 18104
Step 32: 18104 + 584 = 18688
Step 33: 18688 + 584 = 19272
Step 34: 19272 + 584 = 19856
Step 35: 19856 + 584 = 20440
Step 36: 20440 + 584 = 21024
Step 37: 21024 + 584 = 21608
Step 38: 21608 + 584 = 22192
Step 39: 22192 + 584 = 22776
Step 40: 22776 + 584 = 23360
Step 41: 23360 + 584 = 23944
Step 42: 23944 + 584 = 24528
Step 43: 24528 + 584 = 25112
Step 44: 25112 + 584 = 25696
Step 45: 25696 + 584 = 26280
Step 46: 26280 + 584 = 26864
Step 47: 26864 + 584 = 27448
Step 48: 27448 + 584 = 28032
Step 49: 28032 + 584 = 28616
Step 50: 28616 + 584 = 29200
Step 51: 29200 + 584 = 29784
Step 52: 29784 + 584 = 30368
Step 53: 30368 + 584 = 30952
Step 54: 30952 + 584 = 31536
Step 55: 31536 + 584 = 32120
Step 56: 32120 + 584 = 32704
Step 57: 32704 + 584 = 33288
Step 58: 33288 + 584 = 33872
Step 59: 33872 + 584 = 34456
Step 60: 34456 + 584 = 35040
Step 61: 35040 + 584 = 35624
Step 62: 35624 + 584 = 36208
Step 63: 36208 + 584 = 36792
Step 64: 36792 + 584 = 37376
Step 65: 37376 + 584 = 37960
Step 66: 37960 + 584 = 38544
Step 67: 38544 + 584 = 39128
Step 68: 39128 + 584 = 39712
Step 69: 39712 + 584 = 40296
Step 70: 40296 + 584 = 40880
Step 71: 40880 + 584 = 41464
Step 72: 41464 + 584 = 42048
Step 73: 42048 + 584 = 42632
Step 74: 42632 + 584 = 43216
Step 75: 43216 + 584 = 43800
Step 76: 43800 + 584 = 44384
Step 77: 44384 + 584 = 44968
Step 78: 44968 + 584 = 45552
Step 79: 45552 + 584 = 46136
Step 80: 46136 + 584 = 46720
Step 81: 46720 + 584 = 47304
Step 82: 47304 + 584 = 47888
Step 83: 47888 + 584 = 48472
Step 84: 48472 + 584 = 49056
Step 85: 49056 + 584 = 49640
Step 86: 49640 + 584 = 50224
Step 87: 50224 + 584 = 50808
Step 88: 50808 + 584 = 51392
Step 89: 51392 + 584 = 51976
Step 90: 51976 + 584 = 52560
Step 91: 52560 + 584 = 53144
Step 92: 53144 + 584 = 53728
Step 93: 53728 + 584 = 54312
Step 94: 54312 + 584 = 54896
Step 95: 54896 + 584 = 55480
Step 96: 55480 + 584 = 56064
Step 97: 56064 + 584 = 56648
Step 98: 56648 + 584 = 57232
Step 99: 57232 + 584 = 57816
Step 100: 57816 + 584 = 58400
Step 101: 58400 + 584 = 58984
Step 102: 58984 + 584 = 59568
Step 103: 59568 + 584 = 60152
Step 104: 60152 + 584 = 60736
Step 105: 60736 + 584 = 61320
Step 106: 61320 + 584 = 61904
Step 107: 61904 + 584 = 62488
Step 108: 62488 + 584 = 63072
Step 109: 63072 + 584 = 63656
Step 110: 63656 + 584 = 64240
Step 111: 64240 + 584 = 64824
Step 112: 64824 + 584 = 65408
Step 113: 65408 + 584 = 65992
Step 114: 65992 + 584 = 66576
Step 115: 66576 + 584 = 67160
Step 116: 67160 + 584 = 67744
Step 117: 67744 + 584 = 68328
Step 118: 68328 + 584 = 68912
Step 119: 68912 + 584 = 69496
Step 120: 69496 + 584 = 70080
Step 121: 70080 + 584 = 70664
Step 122: 70664 + 584 = 71248
Step 123: 71248 + 584 = 71832
Step 124: 71832 + 584 = 72416
Step 125: 72416 + 584 = 73000
Step 126: 73000 + 584 = 73584
Step 127: 73584 + 584 = 74168
Step 128: 74168 + 584 = 74752
Step 129: 74752 + 584 = 75336
Step 130: 75336 + 584 = 75920
Step 131: 75920 + 584 = 76504
Step 132: 76504 + 584 = 77088
Step 133: 77088 + 584 = 77672
Step 134: 77672 + 584 = 78256
Step 135: 78256 + 584 = 78840
Step 136: 78840 + 584 = 79424
Step 137: 79424 + 584 = 80008
Step 138: 80008 + 584 = 80592
Step 139: 80592 + 584 = 81176
Step 140: 81176 + 584 = 81760
Step 141: 81760 + 584 = 82344
Step 142: 82344 + 584 = 82928
Step 143: 82928 + 584 = 83512

So, 584*143 = 83512