Excel formula injection in Google Docs

One day we needed to conduct a small survey, and we decided to use Google Docs as platform for the survey.There
is an object in Google Docs called Google Forms, and, as obvious from
the name, it is used to create various surveys and tests forms.

After a form is created, its URL is published on the Internet or sent to people who are to participate in the survey.This is how the form looks for a