Xiao Ming walks from home to school. He has already walked half of the way and is 50 meters away. At this time, he is still 650 meters away from school. How far is Xiao Ming's home from school?
小明从家步行去学校，他已经走了全程的一半还多50米，此时离学校还有650米，小明家距离学校多少米？
<gadget id="calculator">650 + 50</gadget>
<output>700</output>

<gadget id="calculator">700 * 2</gadget>
<output>1_400</output>

<result>1_400</result>