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:
102 Incheon Tower
Table title:
Floor plans
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Floors </th><th colspan=1 rowspan=1 > Use </th><th colspan=1 rowspan=1 > Area (square metres) </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 151 </td><td colspan=1 rowspan=1 > Observatory </td><td colspan=1 rowspan=1 > 11,042 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 149-151 </td><td colspan=1 rowspan=1 > Restaurant </td><td colspan=1 rowspan=1 > 13,194 </td></tr>
<tr> <td colspan=1 rowspan=1 > 115-148 </td><td colspan=1 rowspan=1 > Hotel </td><td colspan=1 rowspan=1 > 86,702 </td></tr>
<tr> <td colspan=1 rowspan=1 > 97-114 </td><td colspan=1 rowspan=1 > Boutique Hotel </td><td colspan=1 rowspan=1 > 169,951 </td></tr>
<tr> <td colspan=1 rowspan=1 > 55-96 </td><td colspan=1 rowspan=1 > Residences </td><td colspan=1 rowspan=1 > 71,124 </td></tr>
<tr> <td colspan=1 rowspan=1 > 7-54 </td><td colspan=1 rowspan=1 > Office </td><td colspan=1 rowspan=1 > 102,736 </td></tr>
<tr> <td colspan=1 rowspan=1 > B1-6 </td><td colspan=1 rowspan=1 > Retail/Shopping Mall </td><td colspan=1 rowspan=1 > 506,538 </td></tr>
</table>
Question:
How many floors does 102 Incheon Tower have?
Answer:
102 Incheon Tower has 151 floors.