#### Answer

7,894,911. Seven million, eight hundred ninety four thousand, nine hundred eleven.

#### Work Step by Step

The number of people who walk to work or work at home are 7,894,911. To write in words start from the left 7 is in the million group so seven million, 894 is in the thousand group so eight hundred ninety four thousand, 911 is in the ones group so nine hundred eleven.
Seven million, eight hundred ninety four thousand, nine hundred eleven