Mr. Li runs for 48 minutes every morning, and his speed is 85 m/min. How many meters does Mr. Li run every morning?
李老师每天早上要跑步48分钟，他的速度是85米/分，李老师每天早上大约跑步多少米？
<gadget id="calculator">48 * 85</gadget>
<output>4_080</output>

<result>4_080</result>