There is a bag of rice in Xiaochen’s house. He ate half of it in the first month, less than 5 kilograms. In the second month, he ate the remaining half, which was more than 5 kilograms. At this time, there are still 10 kilograms left. How many kilograms of this bag of rice are there?
小陈家里有一袋大米，第一个月吃掉了全部的一半少5千克，第二个月吃掉了余下的一半多5千克，这时还剩10千克，这袋大米共多少千克．
<gadget id="calculator">10 + 5</gadget>
<output>15</output>

<gadget id="calculator">15 * 2</gadget>
<output>30</output>

<gadget id="calculator">30 - 5</gadget>
<output>25</output>

<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<result>50</result>