Xiaohong has 8 balls, Xiaoming gives two to Xiaohong, they both have the same number of balls, how many balls does Xiaoming have.
小红有8个皮球，小明拿两个给小红后，两人皮球个数一样多，小明原来有多少个．
<gadget id="calculator">8 + 2 + 2</gadget>
<output>12</output>

<result>12</result>