Xiao Ming spent 8.3 yuan to buy a pen, and there is 2.7 yuan left. How much money did Xiao Ming bring?
小明买笔花了8.3元，还剩2.7元，小明带了多少钱？
<gadget id="calculator">8.3 + 2.7</gadget>
<output>11</output>

<result>11</result>