After Xiaowei gave Xiaoling 4 candies, he still had 2 more candies than Xiaoling. How many more candies did Xiaowei have than Xiaoling?
小伟给小玲4颗糖后，还比小玲多2颗，小伟原来比小玲多多少颗．
<gadget id="calculator">4 + 4 + 2</gadget>
<output>10</output>

<result>10</result>