Each stationery box is 9 yuan. Xiaoying, Xiaohua, and Xiaomeng each buy one. How much is the total payment?
文具盒每个9元，小英、小华、小萌每人买一个，共付多少元．
<gadget id="calculator">9 * 3</gadget>
<output>27</output>

<result>27</result>