Xiaoqi wrote 10 characters on the first day, and the number of words written on the second and third days was the same as the first day. How many words did Xiaoqi write on the second day and the third day?
小奇第一天写10个大字，第二天，第三天写的字数与第一天同样多，小奇第二天和第三天一共写了多少个．
<gadget id="calculator">10 + 10</gadget>
<output>20</output>

<result>20</result>