Xiao Ming's running speed is about 180 m/min. He runs for 25 minutes every morning. How many meters does he run?
小明跑步的速度大约是180米/分，他每天早上跑步25分钟，大约跑多少米？
<gadget id="calculator">180 * 25</gadget>
<output>4_500</output>

<result>4_500</result>