Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Name | Height ft (m) | Floors | Year |
| --- | --- | --- | --- | --- |
| 01.0 1 | Willis Tower | 1,451 (442) | 108.0 | 1974.0 |
| 02.0 2 | Trump International Hotel and Tower | 1,389 (423) | 93.0 | 2009.0 |
| 03.0 3 | Aon Center | 1,136 (346) | 83.0 | 1973.0 |
| 04.0 4 | John Hancock Center | 1,127 (344) | 100.0 | 1969.0 |
| 05.0 5 | Franklin Center North Tower | 1,007 (307) | 61.0 | 1989.0 |
| 06.0 6 | Two Prudential Plaza | 995 (303) | 64.0 | 1990.0 |
| 07.0 7 | 311 South Wacker Drive | 961 (293) | 65.0 | 1990.0 |
| 08.0 8 | 900 North Michigan | 871 (266) | 66.0 | 1989.0 |
| 09.0 9 | Water Tower Place | 859 (262) | 74.0 | 1976.0 |
| 10.0 10 | Aqua | 859 (262) | 82.0 | 2009.0 |
| 11.0 11 | Chase Tower | 850 (259) | 60.0 | 1969.0 |
| 12.0 12 | Park Tower | 844 (257) | 67.0 | 2000.0 |
| 13.0 13 | The Legacy at Millennium Park | 822 (251) | 73.0 | 2010.0 |
| 14.0 14 | 300 North LaSalle | 784 (239) | 60.0 | 2009.0 |
| 15.0 15 | Three First National Plaza | 767 (234) | 57.0 | 1981.0 |
| 16.0 16 | Chicago Title and Trust Center | 755 (230) | 50.0 | 1992.0 |
| 17.0 17 | Blue Cross Blue Shield Tower | 743 (226) | 57.0 | 2010.0 |
| 18.0 18 | One Museum Park | 734 (224) | 62.0 | 2009.0 |
| 19.0 19 | Olympia Centre | 731 (223) | 63.0 | 1986.0 |
| 20.0 20 | 330 North Wabash | 695 (212) | 52.0 | 1973.0 |
| 21.0 21 | Waldorf Astoria Chicago | 686 (209) | 60.0 | 2010.0 |
| 22.0 22 | 111 South Wacker Drive | 681 (208) | 51.0 | 2005.0 |
| 23.0 23 | 181 West Madison Street | 680 (207) | 50.0 | 1990.0 |
| 24.0 24 | Hyatt Center | 679 (207) | 48.0 | 2005.0 |
| 25.0 25 | One Magnificent Mile | 673 (205) | 57.0 | 1983.0 |
| 26.0 26 | 340 on the Park | 672 (205) | 64.0 | 2007.0 |
| 27.0 27 | 77 West Wacker Drive | 668 (204) | 49.0 | 1992.0 |
| 28.0 28 | One North Wacker | 652 (199) | 50.0 | 2001.0 |
| 29.0 29 | Richard J. Daley Center | 648 (198) | 32.0 | 1965.0 |
| 30.0 30 | 55 East Erie Street | 647 (197) | 56.0 | 2003.0 |
| 31.0 31 | Lake Point Tower | 645 (197) | 70.0 | 1968.0 |
| 32.0 32 | River East Center | 644 (196) | 58.0 | 2001.0 |
| 33.0 33 | Grand Plaza I | 641 (195) | 57.0 | 2003.0 |
| 34.0 34 | 155 North Wacker | 638 (195) | 45.0 | 2009.0 |
| 35.0 35 | Leo Burnett Building | 635 (194) | 50.0 | 1989.0 |
| 36.0 36 | The Heritage at Millennium Park | 631 (192) | 57.0 | 2005.0 |
| 37.0 37 | NBC Tower | 627 (191) | 37.0 | 1989.0 |
| 38.0 38 | 353 North Clark | 624 (190) | 44.0 | 2009.0 |
| 39.0 39 | Millennium Centre | 610 (186) | 58.0 | 2003.0 |
| 40.0 40 | Chicago Place | 608 (185) | 49.0 | 1991.0 |
| 41.0 41 | Chicago Board of Trade Building | 605 (184) | 44.0 | 1930.0 |
| 42.0 42= | One Prudential Plaza | 601 (183) | 41.0 | 1955.0 |
| 43.0 42= | CNA Center | 601 (183) | 44.0 | 1972.0 |
| 44.0 44 | Heller International Building | 600 (183) | 45.0 | 1992.0 |
| 45.0 45 | Madison Plaza | 599 (182) | 44.0 | 1982.0 |
| 46.0 46 | One Museum Park West | 595 (181) | 54.0 | 2010.0 |
| 47.0 47 | 1000 Lake Shore Plaza | 590 (180) | 55.0 | 1964.0 |
| 48.0 48 | The Clare at Water Tower | 589 (179) | 52.0 | 2008.0 |
| 49.0 49 | Citigroup Center | 588 (179) | 42.0 | 1987.0 |
| 50.0 50 | Mid-Continental Plaza | 583 (178) | 49.0 | 1972.0 |
| 51.0 51 | Crain Communications Building | 582 (177) | 41.0 | 1983.0 |
| 52.0 52 | North Pier Apartments | 581 (177) | 61.0 | 1990.0 |
| 53.0 53 | Citadel Center | 580 (177) | 39.0 | 2003.0 |
| 54.0 54 | The Fordham | 574 (175) | 52.0 | 2003.0 |
| 55.0 55 | 190 South LaSalle Street | 573 (175) | 40.0 | 1987.0 |
| 56.0 56 | One South Dearborn | 571 (174) | 39.0 | 2005.0 |
| 57.0 57 | Onterie Center | 570 (174) | 58.0 | 1986.0 |
| 58.0 58 | Chicago Temple Building | 568 (173) | 21.0 | 1924.0 |
| 59.0 59 | Palmolive Building | 565 (172) | 37.0 | 1929.0 |
| 60.0 60= | Marina City I | 562 (171) | 61.0 | 1964.0 |
| 61.0 60= | Marina City II | 562 (171) | 61.0 | 1964.0 |
| 62.0 62= | Huron Plaza | 560 (171) | 56.0 | 1983.0 |
| 63.0 62= | Boeing International Headquarters | 560 (171) | 36.0 | 1990.0 |
| 64.0 64= | The Parkshore | 556 (169) | 56.0 | 1991.0 |
| 65.0 64= | North Harbor Tower | 556 (169) | 55.0 | 1988.0 |
| 66.0 66 | Civic Opera House | 555 (169) | 45.0 | 1929.0 |
| 67.0 67 | Streeter Place | 554 (169) | 55.0 | 2009.0 |
| 68.0 68= | Newberry Plaza | 553 (169) | 53.0 | 1974.0 |
| 69.0 68= | Michigan Plaza South | 553 (169) | 46.0 | 1985.0 |
| 70.0 68= | 30 North LaSalle | 553 (169) | 44.0 | 1975.0 |
| 71.0 71 | Pittsfield Building | 551 (168) | 38.0 | 1927.0 |
| 72.0 72= | Harbor Point | 550 (168) | 54.0 | 1975.0 |
| 73.0 72= | One South Wacker | 550 (168) | 40.0 | 1982.0 |
Question:
How many floors when the rank is 73.0 72=?
Answer:
40.0