Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
SM U-40 (Austria-Hungary)
Table title:
Ships sunk or damaged
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Date </th><th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > Tonnage </th><th colspan=1 rowspan=1 > Nationality </th></tr>
<tr> <td colspan=1 rowspan=1 > 19 August 1917 </td><td class="highlighted"  colspan=1 rowspan=1 > Gartness </td><td colspan=1 rowspan=1 > 2,422 </td><td colspan=1 rowspan=1 > British </td></tr>
<tr> <td colspan=1 rowspan=1 > 29 August 1917 </td><td class="highlighted"  colspan=1 rowspan=1 > Clifftower* </td><td colspan=1 rowspan=1 > 3,509 </td><td colspan=1 rowspan=1 > British </td></tr>
<tr> <td colspan=1 rowspan=1 > 1 January 1918 </td><td class="highlighted"  colspan=1 rowspan=1 > Sandon Hall </td><td colspan=1 rowspan=1 > 5,134 </td><td colspan=1 rowspan=1 > British </td></tr>
<tr> <td colspan=1 rowspan=1 > 19 March 1918 </td><td class="highlighted"  colspan=1 rowspan=1 > Lord Ormonde* </td><td colspan=1 rowspan=1 > 3,914 </td><td colspan=1 rowspan=1 > Canadian </td></tr>
<tr> <td colspan=1 rowspan=1 > 20 March 1918 </td><td class="highlighted"  colspan=1 rowspan=1 > Antonios M. Theophilatos </td><td colspan=1 rowspan=1 > 2,282 </td><td colspan=1 rowspan=1 > Greek </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Sunk: Damaged: Total: </td><td class="highlighted"  colspan=1 rowspan=1 > 9,838 7,423 17,261 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What was the combined tonnage and number of ships sunk and damaged by U-40?
Answer:
The U-40 sank three ships and damaged two others with a combined tonnage of 9,838.