A basket of eggs, first eat half of the total number, and then eat the remaining half plus 3, just finished eating, how many eggs are there in this basket?
一篮鸡蛋，先吃去总数的一半，再吃去余下的一半多3个，正好吃完，这篮鸡蛋共有多少个．
<gadget id="calculator">3 * 2 * 2</gadget>
<output>12</output>

<result>12</result>