Xiaogang has 35 picture albums, 15 more than Xiaoqiang. After Xiaogang gives Xiaoqiang 10 picture albums, who has more picture albums? A few more copies.
小刚有35本画册，比小强多15本，小刚给小强10本画册后，谁的画册多？多几本．
<gadget id="calculator">35 - 15</gadget>
<output>20</output>

<gadget id="calculator">20 + 10</gadget>
<output>30</output>

<gadget id="calculator">35 - 10</gadget>
<output>25</output>

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

<result>5</result>