Xiaohong and Xiaoming are going to subscribe to "Elementary School Mathematics Knowledge Newspaper". If they subscribe to a separate newspaper, the difference is 5.6 yuan for Xiaohong and 4.1 yuan for Xiaoming. However, the two of them have a total of 28.3 yuan, which is more than enough to subscribe together. Do you know how much it costs to subscribe to a newspaper like this?
小红和小明准备订阅《小学数学知识报》，如果单独订阅一份报纸，小红差5.6元，小明差4.1元，不过他们俩一共有28.3元，合订一份绰绰有余．你知道订阅一份这样的报纸需要多少钱吗？
<gadget id="calculator">28.3 + 5.6 + 4.1</gadget>
<output>38</output>

<gadget id="calculator">38 / 2</gadget>
<output>19</output>

<result>19</result>