Xiaohua has to complete the following tasks on Saturday: cook rice for 20 minutes, wash vegetables for 5 minutes, chop vegetables for 4 minutes, and cook vegetables for 11 minutes. How many minutes will it take for Xiaohua to complete the above tasks?
小华星期六要完成以下任务：煮饭20分钟，洗菜5分钟，切菜4分钟，炒菜11分钟，小华完成以上任务最快要多少分钟．
<gadget id="calculator">5 + 4 + 11</gadget>
<output>20</output>

<result>20</result>