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:
1923 Willesden East by-election
Table title:
Result
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=2 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Candidate </th><th colspan=1 rowspan=1 > Votes </th><th colspan=1 rowspan=1 > % </th><th colspan=1 rowspan=1 > ± </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Liberal </td><td class="highlighted"  colspan=1 rowspan=1 > Harcourt Johnstone </td><td colspan=1 rowspan=1 > 14,824 </td><td colspan=1 rowspan=1 > 60.6 </td><td colspan=1 rowspan=1 > +13.4 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Unionist </td><td class="highlighted"  colspan=1 rowspan=1 > George Frederick Stanley </td><td colspan=1 rowspan=1 > 9,648 </td><td colspan=1 rowspan=1 > 39.4 </td><td colspan=1 rowspan=1 > 13.4 </td></tr>
<tr> <th colspan=3 rowspan=1 > Majority </th><td class="highlighted"  colspan=1 rowspan=1 > 5,176 </td><td colspan=1 rowspan=1 > 21.2 </td><td colspan=1 rowspan=1 > 26.8 </td></tr>
<tr> <th colspan=3 rowspan=1 > Turnout </th><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 60.2 </td><td colspan=1 rowspan=1 > +1.8 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=2 rowspan=1 > Liberal gain from Unionist </td><th colspan=1 rowspan=1 > Swing </th><td colspan=1 rowspan=1 > +13.4 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What was the outcome of the 1923 Willesden East by-elections, and how many majority votes did the winner receive compared to the loser?
Answer:
In 1923 Willesden East by-elections, the result was a gain for the Liberal Party from the Unionists, with Johnstone gaining a majority of 5,176 over Stanley.