When Xiaohua queued up for physical education class, he was the 10th from left to right, and the 16th from right to left. How many students are there in Xiaohua's team?
小华上体育课排队时，从左往右数他是第10个，从右往左数他是第16个．小华所在的队伍共有多少个同学．
<gadget id="calculator">16 - 1</gadget>
<output>15</output>

<gadget id="calculator">10 + 15</gadget>
<output>25</output>

<result>25</result>