On Sunday, 6 students went to visit the art exhibition and paid a total of 30 yuan for the entrance fee, and each of them spent 3 yuan for the bus. How much did each person spend on average? What other math questions can you ask?
星期天，6名学生去参观画展，共付门票费30元，每人乘车用了3元．平均每人花了多少钱？你还能提出什么数学问题？
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 + 30</gadget>
<output>48</output>

<result>48</result>