What does Ezekiel 48:18 mean?

The leftover land on either side of the holy area and the city—each strip 10,000 cubits wide and 25,000 cubits long—is for growing food for the people who live in the city. Ezekiel 48:18 - Modern Text Bible

(Extra land on both sides of the city and holy area is set aside for farming, to feed everyone living there.)