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:
1964 Czechoslovak parliamentary election
Table title:
Results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=2 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Votes </th><th colspan=1 rowspan=1 > % </th><th colspan=1 rowspan=1 > Seats </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=7 > National Front </td><td class="highlighted"  colspan=1 rowspan=1 > Communist Party of Czechoslovakia </td><td colspan=1 rowspan=7 > 9,412,309 </td><td colspan=1 rowspan=7 > 99.9 </td><td class="highlighted"  colspan=1 rowspan=1 > 145 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Communist Party of Slovakia </td><td class="highlighted"  colspan=1 rowspan=1 > 72 </td></tr>
<tr> <td colspan=1 rowspan=1 > Independents </td><td colspan=1 rowspan=1 > 28 </td></tr>
<tr> <td colspan=1 rowspan=1 > Czechoslovak Socialist Party </td><td colspan=1 rowspan=1 > 24 </td></tr>
<tr> <td colspan=1 rowspan=1 > Czechoslovak People's Party </td><td colspan=1 rowspan=1 > 20 </td></tr>
<tr> <td colspan=1 rowspan=1 > Party of Slovak Revival </td><td colspan=1 rowspan=1 > 6 </td></tr>
<tr> <td colspan=1 rowspan=1 > Freedom Party </td><td colspan=1 rowspan=1 > 5 </td></tr>
<tr> <td colspan=2 rowspan=1 > Against </td><td colspan=1 rowspan=1 > 6,040 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 > – </td></tr>
<tr> <td colspan=2 rowspan=1 > Invalid/blank votes </td><td colspan=1 rowspan=1 > 13,798 </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > – </td></tr>
<tr> <td colspan=2 rowspan=1 > Total </td><td colspan=1 rowspan=1 > 9,432,147 </td><td colspan=1 rowspan=1 > 100 </td><td colspan=1 rowspan=1 > 300 </td></tr>
<tr> <td colspan=2 rowspan=1 > Registered voter/turnout </td><td colspan=1 rowspan=1 > 9,487,296 </td><td colspan=1 rowspan=1 > 99.4 </td><td colspan=1 rowspan=1 > – </td></tr>
<tr> <td colspan=5 rowspan=1 > Source: PSP, CZSO </td></tr>
</table>
Question:
How many majority seats did the communists have within the National front? 
Answer:
Within the National Front, the Communists had a majority of 217 seats–145 for Czechoslovakia and 72 for Slovak.