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 | Norway | 5.0 | 1.0 | 3.0 | 9.0 |
| 2 | France | 2.0 | 2.0 | 2.0 | 6.0 |
| 3 | Sweden | 2.0 | 1.0 | 3.0 | 6.0 |
| 4 | USSR | 2.0 | 0.0 | 0.0 | 2.0 |
| 5 | Switzerland | 1.0 | 3.0 | 1.0 | 5.0 |
| 6 | Czech Republic | 1.0 | 3.0 | 0.0 | 4.0 |
| 6 | Finland | 1.0 | 3.0 | 0.0 | 4.0 |
| 8 | United States | 1.0 | 2.0 | 4.0 | 7.0 |
| 9 | Great Britain | 1.0 | 1.0 | 1.0 | 3.0 |
| 10 | Denmark | 1.0 | 0.0 | 2.0 | 3.0 |
| 11 | Germany | 1.0 | 0.0 | 0.0 | 1.0 |
| 12 | Hungary | 0.0 | 1.0 | 0.0 | 1.0 |
| 12 | Italy | 0.0 | 1.0 | 0.0 | 1.0 |
| 14 | Australia | 0.0 | 0.0 | 1.0 | 1.0 |
| 14 | Slovenia | 0.0 | 0.0 | 1.0 | 1.0 |
| Total | Total | 18.0 | 18.0 | 18.0 | 54.0 |
Question:
How many gold medals when the total is more than 1 and 18 silver?
Answer:
18.0