Not able to Get Value using OCRExtractRelative

Hello Everyone, I am trying to store a Speed Value from the below image by using OCRExtractRelative.But the value is stored as empty.
Ocr Relative Image->

Web Page Image:

What OCR engine are you using? Can you please post the _lastscreenshot.png image here? That is the input for the text recognition. Then I can test the image.

_lastscreenshot.png