In the donation activity to the earthquake-stricken areas in Sichuan, Zhang Qing donated half of his accumulated pocket money plus 5 yuan to the disaster-stricken areas. At this time, I still have 28 yuan. How much pocket money did he have?
在向四川地震灾区捐赠活动中，张青把自己积攒的零花钱的一半还多5元钱捐给了灾区．这时自己还有28元．他原来有多少零花钱？
<gadget id="calculator">28 + 5</gadget>
<output>33</output>

<gadget id="calculator">33 * 2</gadget>
<output>66</output>

<result>66</result>