Tongtong has 18 pictures, a few for Wenwen and a few for Jiejie. At this time, Tongtong has 10 pictures left. How many pictures did Tongtong give to Wenwen and Jiejie?
桐桐有18张画片，送给文文几张，有送给洁洁几张，这时桐桐还剩10张画片，桐桐送给文文和洁洁一共多少张画片？
<gadget id="calculator">18 - 10</gadget>
<output>8</output>

<result>8</result>