Xiaohong has 28.6 yuan, bought a pen for 10.3 yuan, and bought a notebook for 1.7 yuan. How much money do you have left?
小红有28.6元钱，买了一支钢笔10.3元钱，又买了一个笔记本1.7元后．还剩多少元？
<gadget id="calculator">28.6 - 10.3 - 1.7</gadget>
<output>16.6</output>

<result>16.6</result>