There are 25 red balls, 3 more than twice the number of basketballs, how many basketballs are there?
有25个红球，比篮球的个数的2倍多3个，那么篮球有多少个．
<gadget id="calculator">25 - 3</gadget>
<output>22</output>

<gadget id="calculator">22 / 2</gadget>
<output>11</output>

<result>11</result>