On Saturday, Jiameng and her mother made dumplings at home. Jiameng made 13 dumplings, and the number of dumplings made by her mother was three times that of Jiameng. How many dumplings did her mother make?
星期六，佳梦和妈妈在家包饺子，佳梦包了13个，妈妈包的个数比佳梦的3倍多9个，妈妈包了多少个？
<gadget id="calculator">13 * 3</gadget>
<output>39</output>

<gadget id="calculator">39 + 9</gadget>
<output>48</output>

<result>48</result>