what is the difference between the number of medals the first ranked team had and the number of medals the 21st ranked teams had?
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col : rank | nation | gold | silver | bronze | total row 1 : 1 | soviet union | 26 | 17 | 15 | 58 row 2 : 2 | united states | 22 | 18 | 11 | 51 row 3 : 3 | east germany | 8 | 3 | 4 | 15 row 4 : 4 | italy | 4 | 4 | 6 | 14 row 5 : 5 | japan | 3 | 7 | 5 | 15 row 6 : 6 | hungary | 3 | 6 | 6 | 15 row 7 : 7 | west germany | 3 | 6 | 4 | 13 row 8 : 8 | united kingdom | 3 | 4 | 7 | 14 row 9 : 9 | poland | 3 | 1 | 5 | 9 row 10 : 10 | yugoslavia | 3 | 1 | 1 | 5 row 11 : 11 | netherlands | 1 | 1 | 2 | 4 row 12 : 12 | austria | 1 | 1 | 1 | 3 row 13 : 12 | bulgaria | 1 | 1 | 1 | 3 row 14 : 14 | france | 1 | 0 | 4 | 5 row 15 : 15 | romania | 0 | 4 | 2 | 6 row 16 : 16 | cuba | 0 | 2 | 2 | 4 row 17 : 17 | australia | 0 | 1 | 0 | 1 row 18 : 17 | czechoslovakia | 0 | 1 | 0 | 1 row 19 : 17 | greece | 0 | 1 | 0 | 1 row 20 : 17 | sweden | 0 | 1 | 0 | 1 row 21 : 21 | canada | 0 | 0 | 1 | 1 row 22 : 21 | south korea | 0 | 0 | 1 | 1 row 23 : 21 | madagascar | 0 | 0 | 1 | 1 row 24 : 21 | panama | 0 | 0 | 1 | 1 row 25 : total | total | 82 | 80 | 80 | 242
what is the difference between the number of medals the first ranked team had and the number of medals the 21st ranked teams had?
Rank Nation Gold Silver Bronze Total
1 Soviet Union 26 17 15 58
2 United States 22 18 11 51
3 East Germany 8 3 4 15
4 Italy 4 4 6 14
5 Japan 3 7 5 15
6 Hungary 3 6 6 15
7 West Germany 3 6 4 13
8 United Kingdom 3 4 7 14
9 Poland 3 1 5 9
10 Yugoslavia 3 1 1 5
11 Netherlands 1 1 2 4
12 Austria 1 1 1 3
12 Bulgaria 1 1 1 3
14 France 1 0 4 5
15 Romania 0 4 2 6
16 Cuba 0 2 2 4
17 Australia 0 1 0 1
17 Czechoslovakia 0 1 0 1
17 Greece 0 1 0 1
17 Sweden 0 1 0 1
21 Canada 0 0 1 1
21 South Korea 0 0 1 1
21 Madagascar 0 0 1 1
21 Panama 0 0 1 1
Total Total 82 80 80 242
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