Xiaohua walks 50 meters per minute, just in time to arrive at school during class. Now, in order to arrive at school 10 minutes earlier, he has to walk 75 meters per minute. How many meters is Xiaohua away from school at this time?
小华每分钟走50米，正好可以在上课时赶到学校，现在为了提前10分钟赶到学校，他必须每分钟走75米，问此时小华离学校有多少米？
<gadget id="calculator">75 * 10</gadget>
<output>750</output>

<gadget id="calculator">75 - 50</gadget>
<output>25</output>

<gadget id="calculator">750 / 25</gadget>
<output>30</output>

<gadget id="calculator">30 * 50</gadget>
<output>1_500</output>

<result>1_500</result>