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:
| Year | Date | Title | Format(s) | Award Description(s) | Result(s) |
| --- | --- | --- | --- | --- | --- |
| 1987 | July 28 | Whitney | Album | Gold | Won |
| 1987 | July 28 | Whitney | Album | Platinum | Won |
| 1987 | July 28 | Whitney | Album | 2× Multi-Platinum | Won |
| 1987 | July 28 | "I Wanna Dance with Somebody (Who Loves Me)" | Single | Gold | Won |
| 1987 | August 4 | Whitney | Album | 3× Multi-Platinum | Won |
| 1987 | September 30 | Whitney | Album | 4× Multi-Platinum | Won |
| 1987 | November 20 | Whitney | Album | 5× Multi-Platinum | Won |
| 1988 | April 18 | Whitney | Album | 6× Multi-Platinum | Won |
| 1989 | February 13 | "I Wanna Dance with Somebody (Who Loves Me)" | Single | Platinum | Won |
| 1993 | June 23 | Whitney | Album | 7× Multi-Platinum | Won |
| 1994 | November 29 | Whitney | Album | 8× Multi-Platinum | Won |
| 1995 | November 29 | Whitney | Album | 9× Multi-Platinum | Won |
| 1995 | December 6 | "So Emotional" | Single | Gold | Won |
Question:
what is the total number of multi-platinum songs?
Answer:
8