Xiaohong runs 4 laps around the 400-meter playground every day. How many meters can she run in a week?
小红每天绕400米的操场跑4圈，她一个星期共能跑多少米？
<gadget id="calculator">400 * 4 * 7</gadget>
<output>11_200</output>

<result>11_200</result>