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 | Nation | Gold | Silver | Bronze | Total |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Soviet Union (URS) | 33.0 | 29.0 | 26.0 | 88.0 |
| 2.0 | Romania (ROU) | 22.0 | 15.0 | 20.0 | 57.0 |
| 3.0 | United States (USA) | 5.0 | 10.0 | 10.0 | 25.0 |
| 4.0 | Hungary (HUN) | 7.0 | 6.0 | 10.0 | 23.0 |
| 5.0 | Czechoslovakia (TCH) | 9.0 | 6.0 | 1.0 | 16.0 |
| 6.0 | Russia (RUS) | 4.0 | 5.0 | 4.0 | 13.0 |
| 7.0 | East Germany (GDR) | 3.0 | 10.0 | 7.0 | 20.0 |
| 8.0 | China (CHN) | 3.0 | 4.0 | 5.0 | 12.0 |
| 9.0 | Unified Team (EUN) | 3.0 | 1.0 | 2.0 | 6.0 |
| 10.0 | Ukraine (UKR) | 2.0 | 1.0 | 0.0 | 3.0 |
| 11.0 | Sweden (SWE) | 1.0 | 1.0 | 1.0 | 3.0 |
| 12.0 | France (FRA) | 1.0 | 0.0 | 0.0 | 1.0 |
| 12.0 | Germany (GER) | 1.0 | 0.0 | 0.0 | 1.0 |
| 12.0 | Netherlands (NED) | 1.0 | 0.0 | 0.0 | 1.0 |
| 15.0 | Unified Team of Germany (EUA) | 0.0 | 1.0 | 0.0 | 1.0 |
| 15.0 | Italy (ITA) | 0.0 | 1.0 | 0.0 | 1.0 |
| 17.0 | Bulgaria (BUL) | 0.0 | 0.0 | 1.0 | 1.0 |
| 17.0 | Great Britain (GBR) | 0.0 | 0.0 | 1.0 | 1.0 |
| 17.0 | Japan (JPN) | 0.0 | 0.0 | 1.0 | 1.0 |
| 17.0 | Poland (POL) | 0.0 | 0.0 | 1.0 | 1.0 |
| 17.0 | Spain (ESP) | 0.0 | 0.0 | 1.0 | 1.0 |
Question:
What is the lowest total that has a rank less than 8, a silver greater than 6, and 20 as the bronze?
Answer:
57.0