There are 5 pears in the first plate and 4 pears in the second plate. Take 1 pear from the first plate and put it in the second plate. How many pears are there now?
第一个盘子里有5个梨，第二个盘子里有4个梨，把第一个盘里拿1个放到第二个盘里，现在一共有多少个梨？
<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<result>9</result>