Xiaofang went from home to school. When she walked to the Children's Palace, she just walked the whole journey from home to school (5/8). After 150 meters, it is exactly half of the whole journey. How many meters is Xiaofang from home to school?
小芳从家到学校，当她走到少年宫时，刚好走了从家到学校全程的(5/8)，放学回家时，小芳从原路返回，走到少年宫后又继续向前走了150米，此时正好是全程的一半．小芳从家到学校有多少米？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(5/8) - (1/2)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">150 / (1/8)</gadget>
<output>1_200</output>

<result>1_200</result>