Li Dong traveled (1/4) of the total distance from home to school, and there is still 500 meters away from the midpoint. How many meters is Li Dong's home from school?
李冬从家到学校，走了总路程的(1/4)，离中点还有500米，李冬家离学校有多少米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) - (1/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">500 / (1/4)</gadget>
<output>2_000</output>

<result>2_000</result>