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 | China | 10 | 5 | 1 | 16 |
| 2 | North Korea | 3 | 3 | 4 | 10 |
| 3 | Japan | 1 | 3 | 3 | 7 |
| 4 | Chinese Taipei | 1 | 1 | 1 | 3 |
| 5 | Hong Kong | 0 | 1 | 0 | 1 |
| 6 | South Korea | 0 | 0 | 3 | 3 |
| 7 | India | 0 | 0 | 1 | 1 |
| 7 | Kazakhstan | 0 | 0 | 1 | 1 |
| 7 | Syria | 0 | 0 | 1 | 1 |
| Total | Total | 15 | 13 | 15 | 43 |
Question:
how many more total medals did china win over japan?
Answer:
9