The runway is 400 meters per lap, Xiaoli runs 3 laps a day, how many meters does she run in a week?
跑道每圈400米，小丽每天跑3圈，她一个星期跑多少米？
<gadget id="calculator">400 * 3 * 7</gadget>
<output>8_400</output>

<result>8_400</result>