Let's get this math done. We have 584 and we're going to multiply it by 240. This is the same as taking 584 and adding it to itself 240 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
Step 144: 83512 + 584 = 84096
Step 145: 84096 + 584 = 84680
Step 146: 84680 + 584 = 85264
Step 147: 85264 + 584 = 85848
Step 148: 85848 + 584 = 86432
Step 149: 86432 + 584 = 87016
Step 150: 87016 + 584 = 87600
Step 151: 87600 + 584 = 88184
Step 152: 88184 + 584 = 88768
Step 153: 88768 + 584 = 89352
Step 154: 89352 + 584 = 89936
Step 155: 89936 + 584 = 90520
Step 156: 90520 + 584 = 91104
Step 157: 91104 + 584 = 91688
Step 158: 91688 + 584 = 92272
Step 159: 92272 + 584 = 92856
Step 160: 92856 + 584 = 93440
Step 161: 93440 + 584 = 94024
Step 162: 94024 + 584 = 94608
Step 163: 94608 + 584 = 95192
Step 164: 95192 + 584 = 95776
Step 165: 95776 + 584 = 96360
Step 166: 96360 + 584 = 96944
Step 167: 96944 + 584 = 97528
Step 168: 97528 + 584 = 98112
Step 169: 98112 + 584 = 98696
Step 170: 98696 + 584 = 99280
Step 171: 99280 + 584 = 99864
Step 172: 99864 + 584 = 100448
Step 173: 100448 + 584 = 101032
Step 174: 101032 + 584 = 101616
Step 175: 101616 + 584 = 102200
Step 176: 102200 + 584 = 102784
Step 177: 102784 + 584 = 103368
Step 178: 103368 + 584 = 103952
Step 179: 103952 + 584 = 104536
Step 180: 104536 + 584 = 105120
Step 181: 105120 + 584 = 105704
Step 182: 105704 + 584 = 106288
Step 183: 106288 + 584 = 106872
Step 184: 106872 + 584 = 107456
Step 185: 107456 + 584 = 108040
Step 186: 108040 + 584 = 108624
Step 187: 108624 + 584 = 109208
Step 188: 109208 + 584 = 109792
Step 189: 109792 + 584 = 110376
Step 190: 110376 + 584 = 110960
Step 191: 110960 + 584 = 111544
Step 192: 111544 + 584 = 112128
Step 193: 112128 + 584 = 112712
Step 194: 112712 + 584 = 113296
Step 195: 113296 + 584 = 113880
Step 196: 113880 + 584 = 114464
Step 197: 114464 + 584 = 115048
Step 198: 115048 + 584 = 115632
Step 199: 115632 + 584 = 116216
Step 200: 116216 + 584 = 116800
Step 201: 116800 + 584 = 117384
Step 202: 117384 + 584 = 117968
Step 203: 117968 + 584 = 118552
Step 204: 118552 + 584 = 119136
Step 205: 119136 + 584 = 119720
Step 206: 119720 + 584 = 120304
Step 207: 120304 + 584 = 120888
Step 208: 120888 + 584 = 121472
Step 209: 121472 + 584 = 122056
Step 210: 122056 + 584 = 122640
Step 211: 122640 + 584 = 123224
Step 212: 123224 + 584 = 123808
Step 213: 123808 + 584 = 124392
Step 214: 124392 + 584 = 124976
Step 215: 124976 + 584 = 125560
Step 216: 125560 + 584 = 126144
Step 217: 126144 + 584 = 126728
Step 218: 126728 + 584 = 127312
Step 219: 127312 + 584 = 127896
Step 220: 127896 + 584 = 128480
Step 221: 128480 + 584 = 129064
Step 222: 129064 + 584 = 129648
Step 223: 129648 + 584 = 130232
Step 224: 130232 + 584 = 130816
Step 225: 130816 + 584 = 131400
Step 226: 131400 + 584 = 131984
Step 227: 131984 + 584 = 132568
Step 228: 132568 + 584 = 133152
Step 229: 133152 + 584 = 133736
Step 230: 133736 + 584 = 134320
Step 231: 134320 + 584 = 134904
Step 232: 134904 + 584 = 135488
Step 233: 135488 + 584 = 136072
Step 234: 136072 + 584 = 136656
Step 235: 136656 + 584 = 137240
Step 236: 137240 + 584 = 137824
Step 237: 137824 + 584 = 138408
Step 238: 138408 + 584 = 138992
Step 239: 138992 + 584 = 139576
Step 240: 139576 + 584 = 140160

So, 584*240 = 140160