It takes 9 minutes for Xiao Ming to walk from home to school at 100 meters per minute. How far is it from home to school?
小明从家步行到学校，每分钟走100米，需要9分钟．家到学校有多远？
<gadget id="calculator">100 * 9</gadget>
<output>900</output>

<result>900</result>