Xiaoxiao starts from home at 9:00 and arrives at school at 11:30. Xiaoxiao walks 50 meters per minute. How far is it from her home to school?
笑笑9：00从家里出发，11：30到达学校，笑笑每分钟行50米，请问从她家到学校有多远？
<gadget id="calculator">50 * 150</gadget>
<output>7_500</output>

<result>7_500</result>