Kaida Primary School donated 250 books to children in the disaster area, and Xinglong Primary School donated 460 books. How many books were donated by the two primary schools?
凯达小学为灾区的小朋友捐书250本，兴隆小学捐书460本，两所小学一共捐书多少本？
<gadget id="calculator">250 + 460</gadget>
<output>710</output>

<result>710</result>