Xiaoqiang's home is 222 meters away from the school. Xiaoqiang goes back and forth twice a day. How many meters does he have to walk in total?
小强家离学校222米，小强一天往返2次，一共要走多少米？
<gadget id="calculator">222 * 2 * 2</gadget>
<output>888</output>

<result>888</result>