Mr. Wang's home is 890 meters away from the school. He goes back and forth twice a day. How many meters does Mr. Wang walk in total every day?
王老师家离学校890米，他每天来回两趟，王老师每天一共走多少米？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">890 * 4</gadget>
<output>3_560</output>

<result>3_560</result>