Xiaohong's home is 500 meters away from school. She goes to school twice a day from home to school. How many meters does she walk in one day?
小红家离学校500米，她每天上学从家到学校往返2次，一天下来，共走多少米？
<gadget id="calculator">500 * 2 * 2</gadget>
<output>2_000</output>

<result>2_000</result>