eulers-number/italian

**Line**:
The answer to the question e to the what equals that base....

**Time**:
653.42 - 653.42

**Describe the issue**: This subtitle should be merged with the the next one.
Also, "814.90 - 829.50" was never said.

Look at the Italian subtitle file for the Euler's number video. Find the lines around timestamps 653.42 and 814.90-829.50. Merge the subtitle at 653.42 with the next one, and remove the line for 814.90-829.50 if it's not spoken. Verify by checking the video or transcript.

Scritto dal modello di indicizzazione a partire dal testo della issue.