* Convert millimeters to meters: There are 1000 millimeters in 1 meter. So, 875 millimeters is equal to 875/1000 = 0.875 meters.

* Add the meter values: 6 meters + 0.875 meters = 6.875 meters

* Round to the nearest meter: Since 0.875 is closer to 1 than 0, 6.875 meters rounded to the nearest meter is 7 meters.