Xiaohong has 970 meters from home to school, and Xiaohong walks another 270 meters to the school. How many meters has Xiaohong walked?
小红从家到学校有970米，小红再走270米就到了学校，小红已经走了多少米？
<gadget id="calculator">970 - 270</gadget>
<output>700</output>

<result>700</result>