For a box of candies, take out half of the candies for the first time and take out the remaining half for the second time, and there are still 10 candies left in the box. How many candies are there in this box?
一盒糖果，第一次取出全部的一半多2个，第二次取出剩下的一半，最后盒子中还剩下10个，这盒糖果原来有多少颗？
<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">20 + 2</gadget>
<output>22</output>

<gadget id="calculator">22 * 2</gadget>
<output>44</output>

<result>44</result>