Xiaoqiang walks 72 meters per minute, and it takes 8 minutes to get to school. Xiaoqiang has to go to and from school twice a day. How many meters does he walk every day?
小强每分钟走72米，要8分钟才能走到学校，小强每天上、下学要往返2次，他每天要走多少米？
<gadget id="calculator">72 * 8</gadget>
<output>576</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">576 * 4</gadget>
<output>2_304</output>

<result>2_304</result>